The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXI. The Cepheid Distance to NGC 1425

Jeremy Mould; Shaun M Hughes; Peter B Stetson; Brad K Gibson; John Huchra; Wendy L Freedman; R C Kennicutt; Fabio Bresolin; Laura Ferrarese; Holland C Ford; John A Graham; Mingsheng Han; John G Hoessel; Garth D Illingworth; Daniel D Kelson; Lucas Macri; Barry F Madore; Randy Phelps; Charles Prosser; Dayal Rawson; Abhijit Saha; Shoko Sakai; Kim Sebo; Nancy A Silberman; Ann Turner

The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXI. The Cepheid Distance to NGC 1425

Jeremy Mould, Shaun M Hughes, Peter B Stetson, Brad K Gibson, John Huchra, Wendy L Freedman, R C Kennicutt, Fabio Bresolin, Laura Ferrarese, Holland C Ford, John A Graham, Mingsheng Han, John G Hoessel, Garth D Illingworth, Daniel D Kelson, Lucas Macri, Barry F Madore, Randy Phelps, Charles Prosser, Dayal RawsonAbhijit Saha, Shoko Sakai, Kim Sebo, Nancy A Silberman, Ann Turner

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Abstract

The distance to NGC 1425 has been derived from Cepheid variables, as part of the Hubble Space Telescope Key Project on the Extragalactic Distance Scale. Thirteen F555W (V) and eight F814W (I) epochs of cosmic-ray - split Wide Field Planetary Camera 2 observations were obtained. Twenty-nine Cepheids were discovered, with periods ranging from 16 to 63 days. Adopting a Large Magellanic Cloud distance modulus and extinction of 18.50 ± 0.10 mag and E(V - I) = 0.13 mag, respectively, a true reddening-corrected distance modulus (based on an analysis employing the ALLFRAME software package) of 31.73 ± 0.16 (random) ± 0.17 (systematic) mag was determined for NGC 1425. The corresponding distance of 22.2 ± 1.0 (random) ± 1.0 (systematic) Mpc is in satisfactory agreement with that found with an independent analysis based on the DoPHOT photometry package.

Original language	English
Pages (from-to)	655-676
Journal	The Astrophysical Journal
Volume	528
Issue number	2
Publication status	Published - 2000

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Mould, J., Hughes, S. M., Stetson, P. B., Gibson, B. K., Huchra, J., Freedman, W. L., Kennicutt, R. C., Bresolin, F., Ferrarese, L., Ford, H. C., Graham, J. A., Han, M., Hoessel, J. G., Illingworth, G. D., Kelson, D. D., Macri, L., Madore, B. F., Phelps, R., Prosser, C., ... Turner, A. (2000). The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXI. The Cepheid Distance to NGC 1425. The Astrophysical Journal, 528(2), 655-676. http://hdl.handle.net/1885/90059

@article{2a896d9a4f4d49b9bb967c1ac77145f3,

title = "The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXI. The Cepheid Distance to NGC 1425",

abstract = "The distance to NGC 1425 has been derived from Cepheid variables, as part of the Hubble Space Telescope Key Project on the Extragalactic Distance Scale. Thirteen F555W (V) and eight F814W (I) epochs of cosmic-ray - split Wide Field Planetary Camera 2 observations were obtained. Twenty-nine Cepheids were discovered, with periods ranging from 16 to 63 days. Adopting a Large Magellanic Cloud distance modulus and extinction of 18.50 ± 0.10 mag and E(V - I) = 0.13 mag, respectively, a true reddening-corrected distance modulus (based on an analysis employing the ALLFRAME software package) of 31.73 ± 0.16 (random) ± 0.17 (systematic) mag was determined for NGC 1425. The corresponding distance of 22.2 ± 1.0 (random) ± 1.0 (systematic) Mpc is in satisfactory agreement with that found with an independent analysis based on the DoPHOT photometry package.",

author = "Jeremy Mould and Hughes, {Shaun M} and Stetson, {Peter B} and Gibson, {Brad K} and John Huchra and Freedman, {Wendy L} and Kennicutt, {R C} and Fabio Bresolin and Laura Ferrarese and Ford, {Holland C} and Graham, {John A} and Mingsheng Han and Hoessel, {John G} and Illingworth, {Garth D} and Kelson, {Daniel D} and Lucas Macri and Madore, {Barry F} and Randy Phelps and Charles Prosser and Dayal Rawson and Abhijit Saha and Shoko Sakai and Kim Sebo and Silberman, {Nancy A} and Ann Turner",

year = "2000",

language = "English",

volume = "528",

pages = "655--676",

journal = "The Astrophysical Journal",

number = "2",

}

Mould, J, Hughes, SM, Stetson, PB, Gibson, BK, Huchra, J, Freedman, WL, Kennicutt, RC, Bresolin, F, Ferrarese, L, Ford, HC, Graham, JA, Han, M, Hoessel, JG, Illingworth, GD, Kelson, DD, Macri, L, Madore, BF, Phelps, R, Prosser, C, Rawson, D, Saha, A, Sakai, S, Sebo, K, Silberman, NA & Turner, A 2000, 'The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXI. The Cepheid Distance to NGC 1425', The Astrophysical Journal, vol. 528, no. 2, pp. 655-676. <http://hdl.handle.net/1885/90059>

TY - JOUR

T1 - The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXI. The Cepheid Distance to NGC 1425

AU - Mould, Jeremy

AU - Hughes, Shaun M

AU - Stetson, Peter B

AU - Gibson, Brad K

AU - Huchra, John

AU - Freedman, Wendy L

AU - Kennicutt, R C

AU - Bresolin, Fabio

AU - Ferrarese, Laura

AU - Ford, Holland C

AU - Graham, John A

AU - Han, Mingsheng

AU - Hoessel, John G

AU - Illingworth, Garth D

AU - Kelson, Daniel D

AU - Macri, Lucas

AU - Madore, Barry F

AU - Phelps, Randy

AU - Prosser, Charles

AU - Rawson, Dayal

AU - Saha, Abhijit

AU - Sakai, Shoko

AU - Sebo, Kim

AU - Silberman, Nancy A

AU - Turner, Ann

PY - 2000

Y1 - 2000

N2 - The distance to NGC 1425 has been derived from Cepheid variables, as part of the Hubble Space Telescope Key Project on the Extragalactic Distance Scale. Thirteen F555W (V) and eight F814W (I) epochs of cosmic-ray - split Wide Field Planetary Camera 2 observations were obtained. Twenty-nine Cepheids were discovered, with periods ranging from 16 to 63 days. Adopting a Large Magellanic Cloud distance modulus and extinction of 18.50 ± 0.10 mag and E(V - I) = 0.13 mag, respectively, a true reddening-corrected distance modulus (based on an analysis employing the ALLFRAME software package) of 31.73 ± 0.16 (random) ± 0.17 (systematic) mag was determined for NGC 1425. The corresponding distance of 22.2 ± 1.0 (random) ± 1.0 (systematic) Mpc is in satisfactory agreement with that found with an independent analysis based on the DoPHOT photometry package.

AB - The distance to NGC 1425 has been derived from Cepheid variables, as part of the Hubble Space Telescope Key Project on the Extragalactic Distance Scale. Thirteen F555W (V) and eight F814W (I) epochs of cosmic-ray - split Wide Field Planetary Camera 2 observations were obtained. Twenty-nine Cepheids were discovered, with periods ranging from 16 to 63 days. Adopting a Large Magellanic Cloud distance modulus and extinction of 18.50 ± 0.10 mag and E(V - I) = 0.13 mag, respectively, a true reddening-corrected distance modulus (based on an analysis employing the ALLFRAME software package) of 31.73 ± 0.16 (random) ± 0.17 (systematic) mag was determined for NGC 1425. The corresponding distance of 22.2 ± 1.0 (random) ± 1.0 (systematic) Mpc is in satisfactory agreement with that found with an independent analysis based on the DoPHOT photometry package.

M3 - Article

VL - 528

SP - 655

EP - 676

JO - The Astrophysical Journal

JF - The Astrophysical Journal

IS - 2

ER -

The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXI. The Cepheid Distance to NGC 1425

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