18464+1641 HEI 261
18h 46m 18.16s +16° 40' 27.7" P.A. 102.00 sep 2.4 mag 10.60,11.60
| Coord 2000 |
18464+1641 |
|
Discov num |
HEI 261 |
|
Comp |
|
|
Coord arcsec 2000 |
18 46 18.16 +16 40 27.7 |
|
| Date first |
1983 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
102 |
|
Pa last |
102.1 |
|
P.A. Now (θ) |
102.1° |
|
| Sep first |
2.4 |
|
Sep last |
2.379 |
|
Sep. Now (ρ) |
2.379" |
|
| Mag pri |
10.60 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-013 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
1583-01024-1 |
|
Gaia DR2 |
4511270095370436736 |
|
