2016MNRAS.457..642F


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.20CEST19:44:10

2016MNRAS.457..642F - Mon. Not. R. Astron. Soc., 457, 642-665 (2016/March-3)

Calibrated and completeness-corrected optical stellar density maps of the northern Galactic plane.

FARNHILL H.J., DREW J.E., BARENTSEN G. and GONZALEZ-SOLARES E.A.

Abstract (from CDS):

Following on from the second release of calibrated photometry from IPHAS, the INT/WFC Photometric Hα Survey of the Northern Galactic Plane, we present incompleteness-corrected stellar density maps in the r and i photometric bands. These have been computed to a range of limiting magnitudes reaching to 20th magnitude in r and 19th in i (Vega system), and with different angular resolutions - the highest resolution available being 1 arcmin2. The maps obtained cover 94 per cent of the 1800 square degree IPHAS footprint, spanning the Galactic latitude range, -5° < b < +5°, north of the celestial equator. The corrections for incompleteness, due to confusion and sensitivity loss at the faint limit, have been deduced by the method of artificial source injection. The presentation of this method is preceded by a discussion of other more approximate methods of determining completeness. Our method takes full account of position-dependent seeing and source ellipticity in the survey data base. The application of the star counts to testing reddened Galactic disc models is previewed by a comparison with predicted counts along three constant-longitude cuts at l ≃ 30°, 90° and 175°: some overprediction of the most heavily reddened l ≃ 30° counts is found, alongside good agreement at l ≃ 90° and 175°.

Abstract Copyright: © The Author 2016. Published by Oxford University Press on behalf of The Royal Astronomical Society.

Journal keyword(s): atlases - dust, extinction - Galaxy: disc - Galaxy: stellar content - Galaxy: structure

Simbad objects: 20

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Number of rows : 20

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 NAME Per Arm PoG 03 30 +45.0           ~ 1193 0
2 Cl Berkeley 17 OpC 05 20 37 +30 35.4           ~ 129 0
3 NGC 1893 OpC 05 22 44 +33 24.7   7.90 7.5     ~ 227 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14325 1
5 Cl Czernik 21 OpC 05 26.5 +36 00           ~ 13 0
6 NGC 1907 OpC 05 28 05 +35 19.5   8.87 8.2     ~ 100 2
7 M 37 OpC 05 52 18 +32 33.2   6.19 5.6     ~ 327 2
8 NAME Crux-Scutum Spiral Arm reg 12 30 -60.0           ~ 263 0
9 NAME Car-Sgr Arm PoG 15 00 -40.0           ~ 411 1
10 NAME Gal Center reg 17 45 40.04 -29 00 28.1           ~ 11004 0
11 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 882 2
12 NAME Aql Rift DNe 18 32 -01.0           ~ 215 1
13 NGC 6749 GlC 19 05 15.36 +01 54 00.0     12.4     ~ 119 0
14 NAME Northern Coalsack DNe 20 21 +37.0           ~ 96 0
15 NAME Cyg X Cld 20 28 41 +41 10.2           ~ 586 1
16 NAME Cyg Complex reg 20 32 +45.0           ~ 507 0
17 Cl Berkeley 54 OpC 21 03 00 +40 26.4           ~ 22 0
18 NGC 7044 OpC 21 13 10 +42 29.7     12.0     ~ 46 0
19 NAME Outer Arm PoG 21 48 +69.4           ~ 205 0
20 NAME Aql Region reg ~ ~           ~ 282 0

    Equat.    Gal    SGal    Ecl

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2019.10.20-19:44:10

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