19162+2817 STF 2491 (HD 180638)
19h 16m 11.63s +28° 16' 50.2" P.A. 230.00 sep 1.4 mag 8.58,9.71 Sp Am dist. 230.95 pc (753.36 l.y.)
Coord 2000 |
19162+2817 |
|
Discov num |
STF2491 |
|
Comp |
|
|
Coord arcsec 2000 |
19 16 11.63 +28 16 50.2 |
|
Date first |
1828 |
|
Date last |
2016 |
|
Obs |
91 |
|
Pa first |
207 |
|
Pa last |
229.7 |
|
P.A. Now (θ) |
229.7° |
|
Sep first |
1.1 |
|
Sep last |
1.38 |
|
Sep. Now (ρ) |
1.38" |
|
Mag pri |
8.58 |
|
Mag sec |
9.71 |
|
delta mag (ΔM) |
1.13 |
|
Spectral class |
Am (white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 180638 |
|
Constellation |
Lyra |
|
SAO |
87013 |
|
HIP |
94700 |
|
Tycho2 |
2136-03401-1 |
|
Gaia DR2 |
2038174741764068608 |
|
HD |
180638 |
|
GC |
26575 |
|
BD |
BD+28 3268 |
|
Distance |
230.95 |
|
Distance ly |
753.36 |
|