2001A&A...371.1048M

Query : 2001A&A...371.1048M

2001A&A...371.1048M - Astronomy and Astrophysics, volume 371, 1048-1055 (2001/6-1)

The Naini Tal - Cape survey for pulsations in chemically peculiar A-type stars. I. Methods and preliminary results.

MARTINEZ P., KURTZ D.W., ASHOKA B.N., CHAUBEY U.S., GIRISH V., GUPTA S.K., JOSHI S., KASTURIRANGAN K., SAGAR R. and SEETHA S.

Abstract (from CDS):

A new survey for pulsating, chemically peculiar A- and F-type stars in the northern hemisphere has been initiated using the 1-m telescope at Uttar Pradesh State Observatory in Naini Tal. The survey is primarily structured to reveal high-overtone pulsations in chemically peculiar A-F stars, but it is also revealing low-overtone δ Scuti-type pulsations in stars with peculiar colours. This paper describes the scope and methods of the survey. Preliminary observations of 28 candidate stars are presented and the discovery of three new pulsators, HD 12098, HD 13038 and HD 13079, is announced. Null results for the remaining 25 stars are also discussed.

Abstract Copyright: ∼

Journal keyword(s): stars: chemically peculiar - stars: individual: HD 12098, HD 13038, HD 13079 - stars: oscillations - stars: variables: δ Scuti

Simbad objects: 29

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Number of rows : 29
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 HD 12098 a2* 02 00 40.1774521766 +58 31 37.130534305   8.47 8.08 8.758   ~ 49 0
2 HD 12690 * 02 06 07.8887867016 +57 06 36.077501700   10.00 9.64     F0 7 0
3 V* V419 And dS* 02 09 02.3246808277 +39 35 32.295203539   9.22 8.89     ~ 40 0
4 V* V678 Per dS* 02 09 30.3346486920 +57 57 38.274393564   8.71 8.52     A4III 37 0
5 HD 12881 SB* 02 12 29.3295874272 +79 41 35.871101772   7.406 7.118     kA3hA7mF2+kA3hA7mF2 38 0
6 HD 13929 * 02 17 33.8921817000 +58 01 11.712144000   7.73 7.49     Am 38 0
7 HD 15023 PM* 02 27 30.1927881408 +58 58 08.598114444   8.58 8.30     kA8hA8mF4III 17 0
8 HD 16956 * 02 43 41.0857122936 +21 08 49.542589140   8.03 7.77     A2mp 35 0
9 HD 17431 * 02 49 18.4074453648 +45 15 37.848744720   8.91 8.51     kA4hA8mF3IIIEuSr 13 0
10 HD 18460 * 03 00 24.4233586872 +56 18 48.681613512   8.82 8.43     kA7hA7mF4II 27 0
11 HD 24015 * 03 50 00.4565453568 +09 16 31.611687420   8.94 8.56     A5 14 0
12 HD 26894 * 04 19 12.2685711624 +63 57 28.453491180   8.18 7.95     F0 15 0
13 HD 30110 * 04 48 12.3719298816 +59 14 27.628134540   7.79 7.48     kA7hA7mF3 30 0
14 HD 32404 * 05 06 16.4995308528 +56 36 45.467293032   9.03 8.81     A3 13 0
15 HD 34202 * 05 17 00.4445312064 +31 32 23.876238480   8.68 8.39     A5 7 0
16 HD 35325 * 05 26 39.8951943480 +50 16 43.842738072   9.10 8.78     kA3hA8mF3(IV)EuBa 14 0
17 HD 37154 * 05 39 57.6015307416 +57 08 12.278132052   9.23 8.80     kA9hF2mF5(II+) 8 0
18 HD 38143 * 05 44 22.2105671376 +18 31 37.268119200   8.73 8.41     kA3hF0mF1(IV) 14 0
19 HD 39066 Y*? 05 50 37.8177375024 +12 31 22.461434364   9.78 9.51     kA3hA7mA8Sr 11 0
20 HD 39550 * 05 56 20.4441222312 +53 33 15.449157720   7.93 7.73     A2 12 0
21 * 53 Cam a2* 08 01 42.4403874648 +60 19 27.806833200   6.177 6.008     A3VpSrSiCrEu 400 0
22 * rho Pup dS* 08 07 32.6488235 -24 18 15.567946 3.43 3.24 2.81 2.46 2.25 F5IIkF2IImF5II 301 0
23 V* TZ Lyn a2* 08 31 10.6434191712 +40 13 29.604504972   6.810 6.714     A0pv 165 0
24 * sig01 Cnc * 08 52 34.6219870200 +32 28 26.972840748   5.874 5.664     A8Vam 50 0
25 HD 88850 PM* 10 17 51.2980113624 +71 03 22.283508420   7.61 7.33     Am 47 0
26 HD 92400 * 10 41 03.4781457024 +48 34 22.095949944   8.88 8.68     A5V 19 0
27 HD 92572 SB* 10 42 10.5155569200 +49 34 31.932761484   9.74 9.47     kA2hA9mF1SiEu 18 0
28 HD 94763 * 10 56 59.0429502144 +37 10 31.204635060   9.70 9.42     Am 12 0
29 HD 99831 ** 11 29 22.6484513208 +42 05 30.435668412   9.21 8.90     kA4hA7VmF5 41 0

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