19170+0724 A 363 (HD 180640)
19h 17m 00.58s +07° 24' 01.7" P.A. 171.00 sep 2.0 mag 8.77,11.94 Sp B9 dist. 653.59 pc (2132.01 l.y.)
Coord 2000 |
19170+0724 |
|
Discov num |
A 363 |
|
Comp |
|
|
Coord arcsec 2000 |
19 17 00.58 +07 24 01.7 |
|
Date first |
1902 |
|
Date last |
2017 |
|
Obs |
11 |
|
Pa first |
174 |
|
Pa last |
170.9 |
|
P.A. Now (θ) |
170.9° |
|
Sep first |
1.8 |
|
Sep last |
2 |
|
Sep. Now (ρ) |
2" |
|
Mag pri |
8.77 |
|
Mag sec |
11.94 |
|
delta mag (ΔM) |
3.17 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
+008 |
|
Pri motion dec |
+006 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
rPM=0.447
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 180640 |
|
Constellation |
Aquila |
|
SAO |
124462 |
|
HIP |
94771 |
|
Tycho2 |
0476-00442-1 |
|
Gaia DR2 |
4306213066577528704 |
|
HD |
180640 |
|
BD |
BD+07 4011 |
|
Distance |
653.59 |
|
Distance ly |
2132.01 |
|