20064-1322 HLD 155 AB (HD 190640)
20h 06m 24.72s -13° 22' 06.0" P.A. 276.00 sep 1.9 mag 9.91,10.51 Sp K0III
Coord 2000 |
20064-1322 |
|
Discov num |
HLD 155 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 06 24.72 -13 22 06.0 |
|
Date first |
1882 |
|
Date last |
2016 |
|
Obs |
16 |
|
Pa first |
270 |
|
Pa last |
275.7 |
|
P.A. Now (θ) |
275.7° |
|
Sep first |
1.5 |
|
Sep last |
1.89 |
|
Sep. Now (ρ) |
1.89" |
|
Mag pri |
9.91 |
|
Mag sec |
10.51 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
K0III (yellow-orange) |
|
Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
Nature of this double is uncertain.
20064-1322 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 190640 |
|
20 06 25 -13 22 06 |
HLD 155 AB |
2016 |
16 |
276 |
1.9 |
9.91 |
10.51 |
0.60 |
|
<=== |
Show |
|
|
20 06 25 -13 22 06 |
HLD 155 AC |
2016 |
9 |
239 |
29.9 |
9.92 |
11.54 |
1.62 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 190640 |
|
Constellation |
Sagittarius |
|
Tycho2 |
5751-00851-1 |
|
Gaia DR2 |
6878859551590713472 |
|
HD |
190640 |
|