2004ApJS..154..433P

Query : 2004ApJS..154..433P

2004ApJS..154..433P - Astrophys. J., Suppl. Ser., 154, 433-438 (2004/September-0)

An aggregate of young stellar disks in Lynds 1228 south.

PADGETT D.L., REBULL L.M., NORIEGA-CRESPO A., CAREY S.J., STAPELFELDT K.R., STAUFFER J.R., BURGDORF M.J., COLE D.M., FAJARDO-ACOSTA S.B., FRAYER D.T., HELOU G., HOARD D.W., KARR J., LATTER W.B., LOWRANCE P.J., O'LINGER J., MASCI F., RAMIREZ S., REACH W.T., RHO J., STOLOVY S.R. and WACHTER S.

Abstract (from CDS):

Using the Multiband Imaging Photometer for Spitzer (MIPS) and Infrared Array Camera (IRAC) instruments on the Spitzer Space Telescope, we have investigated an aggregate of at least nine candidate bright young stellar objects in the southern region of the Lynds 1228 cloud in Cepheus. The spectral energy distributions (SEDs) encompass both infrared Class II and Class III types, and at least one object has no excess at wavelengths shorter than 24 µm. There are five known IRAS sources in the region. We find that the fluxes of these sources are generally overestimated by IRAS because of confusion, and one appears in both the IRAS Point Source and Faint Source Catalogs. This small group of young stellar objects provides a good example of the power of Spitzer to resolve star-forming regions confused in the IRAS catalogs. The SEDs of these sources illustrate that there can be a diversity of disk evolutionary states within a coeval stellar aggregate.

Abstract Copyright: ∼

Journal keyword(s): Stars: Circumstellar Matter - Infrared: Stars - ISM: Clouds - ISM: Individual: Alphanumeric: LDN 1228 - ISM: Molecules - molecular clouds: general

Nomenclature: Table 1: [PRN2004] SN(a) (Nos S1-S9, S1(a), S1(b)).

Simbad objects: 19

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Number of rows : 19
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 LDN 1641 MoC 05 39.0 -07 00           ~ 502 0
2 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1266 1
3 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1195 1
4 IRAS 20582+7724 Y*O 20 57 12.9250225656 +77 35 43.656301932           ~ 119 0
5 LDN 1228 DNe 20 57 13 +77 35.8           ~ 131 0
6 GSC 04590-01119 Or* 21 00 52.8312475536 +77 03 14.940818496   17.04 15.64 14.04 12.72 ~ 14 0
7 BD+76 825 Y*O 21 01 00.5536013664 +77 03 29.448855900   11.29 10.67     F2 7 0
8 [PRN2004] S1 ** 21 01.4 +77 07           ~ 1 1
9 2MASS J21012507+7706540 Y*? 21 01 25.08 +77 06 54.0           ~ 2 1
10 2MASS J21012638+7707029 Y*? 21 01 26.38 +77 07 02.9           ~ 4 1
11 IRAS 21022+7651 Y*O 21 01 28.4 +77 03 45           ~ 7 0
12 OSHA 48 Y*? 21 01 29.050248 +77 02 37.28220   15.02 13.34 12.80   ~ 9 0
13 2MASS J21013097+7701536 Or* 21 01 30.9850390608 +77 01 53.544557892   17.97 16.58 14.89 13.38 ~ 11 0
14 OSHA 50 Y*O 21 01 32.67816 +77 01 17.6736   18.07 17.11 15.38 13.86 ~ 7 0
15 2MASS J21013505+7703567 Y*? 21 01 35.0307650496 +77 03 56.719104876           ~ 6 0
16 2MASS J21013945+7706166 Y*? 21 01 39.4328670144 +77 06 16.563794616           ~ 6 0
17 IRAS 21025+7645 Y*O 21 01 49.3 +76 57 48           ~ 5 0
18 2MASS J21014960+7705479 Or* 21 01 49.5892729344 +77 05 47.943267288   21.86 18.94 16.73 15.11 ~ 15 0
19 GSC 04590-00831 Or* 21 02 04.9080120816 +76 57 18.558262512   15.88 14.37 13.35 12.47 ~ 18 0

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