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| Query : 1998NewA....3..121L |
1998NewA....3..121L - New Astronomy, 3, 121-123 (1998/March-0)
Hipparcos data for two open clusters containing cepheids.
LYNGA G. and LINDEGREN L.
Abstract (from CDS):
Using proper motion data from the Hipparcos satellite it is shown that the cepheids S Nor and U Sgr are members of the open clusters NGC 6087 and M 25, respectively. The precision of the Hipparcos data is needed to conclusively carry out a membership test. Parallax data, also obtained from Hipparcos, do not contradict the proper motion results.
Abstract Copyright: ∼
Journal keyword(s): Astrometry - Cepheids - Open clusters and associations: individual: M 25 - Open clusters and associations: individual: NGC 6087
Simbad objects: 12
| Number of rows : 12 |
| 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 | HD 146261 | * | 16 18 24.8859727104 | -57 49 32.986812432 | 9.34 | 9.39 | B5V | 31 | 0 | |||
| 2 | HD 146271 | * | 16 18 37.5959499192 | -57 41 46.060888380 | 7.9 | 8.35 | 8.34 | B8Ib | 36 | 0 | ||
| 3 | V* S Nor | cC* | 16 18 51.8316855000 | -57 53 59.256000852 | 8.15 | 7.49 | 6.49 | 5.427 | F8/G0Ib | 396 | 1 | |
| 4 | NGC 6087 | OpC | 16 18 55.7 | -57 53 32 | ~ | 198 | 0 | |||||
| 5 | HD 146404 | * | 16 19 17.0925425328 | -58 05 28.761724896 | 9.54 | 7.69 | M0III | 26 | 0 | |||
| 6 | HD 146448 | * | 16 19 25.1389072824 | -57 53 08.594571624 | 8.8 | 9.01 | 9.02 | B5V | 36 | 0 | ||
| 7 | HD 170657 | PM* | 18 31 18.9610074312 | -18 54 31.729814604 | 8.217 | 7.678 | 6.810 | 6.324 | 5.897 | K2V | 146 | 0 |
| 8 | HD 170682 | Be* | 18 31 24.2109018096 | -19 09 31.025696112 | 8.06 | 8.20 | 7.95 | B5III | 63 | 0 | ||
| 9 | IC 4725 | OpC | 18 31 47.5 | -19 07 37 | ~ | 239 | 0 | |||||
| 10 | V* U Sgr | cC* | 18 31 53.3323107600 | -19 07 30.261459540 | 8.50 | 7.81 | 6.68 | 5.413 | G1Ib | 491 | 0 | |
| 11 | HD 170820 | SB* | 18 32 13.1080081656 | -19 07 26.333290848 | 8.89 | 7.36 | G9IICN1Hdel1 | 90 | 0 | |||
| 12 | HD 170886 | * | 18 32 29.1678008640 | -18 58 21.557199504 | 8.34 | 6.99 | G3/5Ib | 63 | 0 |
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