18477+4904 HEI 72 AB (HD 174366)
18h 47m 40.12s +49° 04' 29.4" P.A. 236.00 sep 0.6 mag 6.84,8.99 Sp A1V dist. 149.48 pc (487.6 l.y.)
| Coord 2000 |
18477+4904 |
|
Discov num |
HEI 72 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 47 40.12 +49 04 29.4 |
|
| Date first |
1979 |
|
Date last |
2011 |
|
Obs |
19 |
|
| Pa first |
213 |
|
Pa last |
235.9 |
|
P.A. Now (θ) |
235.9° |
|
| Sep first |
0.4 |
|
Sep last |
0.636 |
|
Sep. Now (ρ) |
0.636" |
|
| Mag pri |
6.84 |
|
Mag sec |
8.99 |
|
delta mag (ΔM) |
2.15 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
+014 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 174366 |
|
Constellation |
Draco |
|
SAO |
47815 |
|
HIP |
92219 |
|
| Tycho2 |
3548-00749-1 |
|
HD |
174366 |
|
HR |
7090 |
|
GC |
25776 |
|
| BD |
BD+48 2767 |
|
Distance |
149.48 |
|
Distance ly |
487.6 |
|
