17303+4724 HLA 1
17h 30m 16.43s +47° 24' 07.9" P.A. 299.00 sep 2.7 mag 5.40,15.40 Sp G9V+WD
| Coord 2000 |
17303+4724 |
|
Discov num |
HLA 1 |
|
Comp |
|
|
Coord arcsec 2000 |
17 30 16.43 +47 24 07.9 |
|
| Date first |
2012 |
|
Date last |
2018 |
|
Obs |
8 |
|
| Pa first |
299 |
|
Pa last |
299.2 |
|
P.A. Now (θ) |
299.2° |
|
| Sep first |
2.6 |
|
Sep last |
2.71 |
|
Sep. Now (ρ) |
2.71" |
|
| Mag pri |
5.40 |
|
Mag sec |
15.40 |
|
delta mag (ΔM) |
10 |
|
Spectral class |
G9V+WD (yellow/Wolf-Rayet) |
|
| Pri motion ra |
+169 |
|
Sec motion ra |
|
|
| Pri motion dec |
+077 |
|
Sec motion dec |
|
|
| Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
