17420+3746 TDS 878
17h 42m 01.26s +37° 46' 05.3" P.A. 253.00 sep 1.5 mag 11.21,11.30
Coord 2000 |
17420+3746 |
|
Discov num |
TDS 878 |
|
Comp |
|
|
Coord arcsec 2000 |
17 42 01.26 +37 46 05.3 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
250 |
|
Pa last |
252.9 |
|
P.A. Now (θ) |
252.9° |
|
Sep first |
1.5 |
|
Sep last |
1.525 |
|
Sep. Now (ρ) |
1.525" |
|
Mag pri |
11.21 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
|
|
Pri motion ra |
-021 |
|
Sec motion ra |
-021 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
3088-01558-1 |
|
Gaia DR2 |
1342710135119744128 |
|