1997A&A...326..632A

Query : 1997A&A...326..632A

1997A&A...326..632A - Astronomy and Astrophysics, volume 326632-639 (1997/10-2)

New multiple young stellar objects discovered by near-infrared speckle imaging.

AGEORGES N., ECKART A., MONIN J.-L. and MENARD F.

Abstract (from CDS):

We present the results of a near infrared high angular resolution study of young stellar objects. The observations have been carried out in 1993 and 1994 with the speckle camera SHARP 1 installed at the ESO-NTT. The sources were selected because of their known high degree of polarization at optical wavelengths, in order to search for disk-like extended structures. This paper only concentrates on the new multiple systems discovered. After a general presentation of the sample, each new system is presented individually. Then the relative reddening of the individual components as well as the possible link between the morphology of a system and its polarization are discussed.

Abstract Copyright: ∼

Journal keyword(s): polarization - circumstellar matter - stars: formation - stars: imaging - stars: pre-main sequence - infrared: stars

Nomenclature: Fig.7, Table 2: [AEM97] AS 310 A (Nos A-F).

CDS comments: Table 1 : Hm 10 = Ass Cha T 1-10, 1548C27 = NIPSS 1548C27

Simbad objects: 34

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Number of rows : 34
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 V* SZ Cha Or* 10 58 16.7500775160 -77 17 17.185749900     12.68   10.62 K0e 143 0
2 Hen 3-545 Or* 10 59 06.9715593000 -77 01 40.309233240   12.91 11.136   9.596 K4Ve 237 0
3 Ass Cha T 1-10 Y*O 11 04 24.2478355560 -77 25 48.795988044   17.73 16.11     ~ 25 0
4 2MASS J11054774-7707059 TT* 11 05 47.6885286144 -77 07 05.917111716           M1III 10 0
5 Ass Cha T 2-21 TT* 11 06 15.3471261840 -77 21 56.720362608   12.58 11.01   9.35 G5Ve 144 0
6 Ass Cha T 1-15 Or* 11 07 43.6610412264 -77 39 41.134236408   17.05 15.34   12.67 K5Ve 88 0
7 RX J1108.2-7728 Y*O 11 07 55.775088 -77 27 25.52724   15.26 13.40 13.07 11.04 K3Ve 59 0
8 Haro 1-1 Or* 16 21 34.7045923320 -26 12 26.913018060   14.59       K5e 73 0
9 2MASS J16233483-2340303 Y*O 16 23 34.7907768192 -23 40 29.954540064   16.9       K8 24 0
10 EM* SR 5 TT* 16 25 55.8341340336 -23 55 10.314211224   14.0 13.72 12.52 11.51 ~ 19 0
11 GSS 20 TT* 16 25 57.5183458272 -24 30 31.792496832     16.37 14.77 13.05 K5.5 60 0
12 Haro 1-6 Or* 16 26 03.0276684144 -24 23 36.188140848   14.15 14.01 12.38 10.80 K0 229 2
13 DoAr 24 TT* 16 26 17.0743951968 -24 20 21.594730920   16.06 14.21 14.02 11.57 K7.5V 126 1
14 GSS 35 TT* 16 26 34.1761719864 -24 23 28.283473860     16.53 14.75 12.51 B3 254 1
15 YLW 37 TT* 16 26 46.4288834880 -24 12 00.078675192   17.15   13.90 12.37 G3.5 65 0
16 Haro 1-11 TT* 16 27 38.3295904392 -23 57 32.512870116   17.3   13.66 12.30 K6 50 0
17 2E 3695 * 16 27 39.0 -23 58 05   15.0       K4 6 0
18 WLY 2-55 TT* 16 27 52.0872222936 -24 40 50.723707476     16.28 14.48 12.78 K7.5 85 0
19 2MASS J16303563-2434188 TT* 16 30 35.6378666880 -24 34 18.704660484   12.5 12.90 11.85 10.76 ~ 37 0
20 V* V2131 Oph Or* 16 31 15.7445171496 -24 34 02.161097472   12.0 12.05 11.06 10.13 ~ 102 0
21 CD-24 12697 TT* 16 31 20.12 -24 30 05.0           G5IVe+K3(e) 40 0
22 EM* MWC 300 Ae* 18 29 25.6913480400 -06 04 37.290320796 12.55 12.67 13.795     B1Ia+[e] 145 0
23 EM* AS 310 Ae* 18 33 21.1940364288 -04 58 05.976557796   13.58 12.52 12.62   B1e 136 1
24 V* R CrA Ae* 19 01 53.6764322232 -36 57 08.299341828 12.781 12.651 11.917 11.242 10.412 B5IIIpe 499 2
25 V* VV CrA Or* 19 03 06.7410913704 -37 12 49.686912432   16.45 14.67 14.12 11.62 K7 133 0
26 Parsamian 21 Or* 19 29 00.8740757136 +09 38 42.862226208   15.18 14.07 13.93   F5Iabe 95 0
27 V* V536 Aql Or* 19 38 57.413016 +10 30 15.99804     14.85 12.27   KV:e 64 0
28 ZTF J194254.98+232414.7 Or* 19 42 54.9815013888 +23 24 14.763419640     15     ~ 47 1
29 [AEM97] AS 310 B IR ~ ~           ~ 3 0
30 NAME AS 310 Cluster Cl* ~ ~           ~ 2 2
31 [AEM97] AS 310 C IR ~ ~           ~ 3 0
32 [AEM97] AS 310 D IR ~ ~           ~ 2 0
33 [AEM97] AS 310 E IR ~ ~           ~ 2 0
34 [AEM97] AS 310 F IR ~ ~           ~ 2 0

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