16546-0609 DSG 1 AB (23 Oph)
16h 54m 35.71s -06° 09' 14.1" P.A. 270.00 sep 0.4 mag 5.25,9.90 Sp K2III dist. 73.8 pc (240.74 l.y.)
| Coord 2000 |
16546-0609 |
|
Discov num |
DSG 1 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 54 35.71 -06 09 14.1 |
|
| Date first |
2012 |
|
Date last |
2017 |
|
Obs |
6 |
|
| Pa first |
272 |
|
Pa last |
269.6 |
|
P.A. Now (θ) |
269.6° |
|
| Sep first |
0.4 |
|
Sep last |
0.386 |
|
Sep. Now (ρ) |
0.386" |
|
| Mag pri |
5.25 |
|
Mag sec |
9.90 |
|
delta mag (ΔM) |
4.65 |
|
Spectral class |
K2III (yellow-orange) |
|
| Pri motion ra |
-031 |
|
Sec motion ra |
|
|
| Pri motion dec |
-022 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
16546-0609 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
23 Oph |
141431 |
16 54 36 -06 09 14 |
DSG 1 AB |
2017 |
6 |
270 |
0.4 |
5.25 |
9.90 |
4.65 |
|
<=== |
| Show |
|
141431 |
16 54 36 -06 09 14 |
DSG 1 AC |
2012 |
1 |
87 |
0.7 |
5.25 |
11.60 |
6.35 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
23 Oph |
|
Constellation |
Ophiuchus |
|
SAO |
141431 |
|
HIP |
82730 |
|
| Tycho2 |
5063-01633-1 |
|
Gaia DR2 |
4341074083458152704 |
|
HD |
152601 |
|
HR |
6280 |
|
| GC |
22783 |
|
BD |
BD-05 4374 |
|
Flamsteed |
23 Ophiuchi |
|
Flamsteed name |
23 Oph |
|
| FK5 |
3342 |
|
Distance |
73.8 |
|
Distance ly |
240.74 |
|