17478+1619 HEI 254
17h 47m 46.02s +16° 19' 03.2" P.A. 275.00 sep 2.3 mag 10.40,11.60 Sp K5
Coord 2000 |
17478+1619 |
|
Discov num |
HEI 254 |
|
Comp |
|
|
Coord arcsec 2000 |
17 47 46.02 +16 19 03.2 |
|
Date first |
1983 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
274 |
|
Pa last |
274.8 |
|
P.A. Now (θ) |
274.8° |
|
Sep first |
2.4 |
|
Sep last |
2.283 |
|
Sep. Now (ρ) |
2.283" |
|
Mag pri |
10.40 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
K5 (yellow-orange) |
|
Pri motion ra |
+027 |
|
Sec motion ra |
|
|
Pri motion dec |
+008 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
1552-00420-1 |
|
Gaia DR2 |
4501291103927543552 |
|