2003A&A...405..585S


C.D.S. - SIMBAD4 rel 1.7 - 2019.11.19CET10:13:47

2003A&A...405..585S - Astronomy and Astrophysics, volume 405, 585-590 (2003/7-2)

Interstellar extinction in the direction of the Aquila Rift.

STRAIZYS V., CERNIS K. and BARTASIUTE S.

Abstract (from CDS):

The distance dependence of interstellar extinction in the direction of the Aquila Rift is investigated using 473 stars observed in the Vilnius photometric system. The front edge of the dark clouds in the area is found to be at 225±55pc and the thickness of the cloud system is about 80pc. The maximum extinction AV in the clouds is close to 3.0mag. Two stars with larger extinction are found and discussed. Since the new distance of the clouds is larger than the previously accepted distance, the cloud system mass should be increased to 2.7x105M which is close to the virial mass estimated from the CO velocity dispersion. Additional arguments are given in favor of the genetic relation between the Serpens and the Scorpio-Ophiuchus dark clouds.

Abstract Copyright:

Journal keyword(s): stars: fundamental parameters - ISM: dust, extinction - ISM: clouds - ISM: individual objects: Aquila Rift - ISM: individual objects: Serpens molecular cloud

CDS comments: Table 2 : Fields Ser I-IV not in Simbad.

Simbad objects: 10

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Number of rows : 10

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 1499 HII 04 03 18 +36 25.3           ~ 150 0
2 Cl Melotte 25 OpC 04 26 54.00 +15 52 00.0           ~ 2586 0
3 BD-02 4634 * 18 28 20.7625924277 -02 22 26.275107389   11.6 10.6     ~ 1 0
4 * c Ser * 18 29 40.9797401546 -01 59 07.106612765   6.330 5.369     K0III 72 0
5 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 885 2
6 LBN 028.77+03.43 HII 18 31 26.5 -02 04 22           ~ 178 2
7 NAME Aql Rift DNe 18 32 -01.0           ~ 216 1
8 V* CZ Ser LP* 18 37 20.9855772513 -02 39 14.833638074   12.59 10.49     M6 19 0
9 BD-01 3542 Em* 18 42 06.6628590200 -01 18 11.614965401 11.05 10.55 9.22     B8Ia: 11 0
10 SA 110- reg 18 45 +00.6           ~ 95 0

    Equat.    Gal    SGal    Ecl

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2019.11.19-10:13:47

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