20453+1715 GWP 2993
20h 45m 20.72s +17° 15' 16.7" P.A. 104.00 sep 11.1 mag 11.40,16.80
Coord 2000 |
20453+1715 |
|
Discov num |
GWP2993 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 20.72 +17 15 16.7 |
|
Date first |
1990 |
|
Date last |
2018 |
|
Obs |
7 |
|
Pa first |
103 |
|
Pa last |
104.4 |
|
P.A. Now (θ) |
104.4° |
|
Sep first |
10.2 |
|
Sep last |
11.05 |
|
Sep. Now (ρ) |
11.05" |
|
Mag pri |
11.40 |
|
Mag sec |
16.80 |
|
delta mag (ΔM) |
5.4 |
|
Spectral class |
|
|
Pri motion ra |
+064 |
|
Sec motion ra |
+066 |
|
Pri motion dec |
-024 |
|
Sec motion dec |
-024 |
|
Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.028 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Gaia DR2 |
1811277254499534976 |
|
WDS 20453+1715 GWP 2993 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
GWP |
|
Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical |
|
GWP |
|
Observatory (OAG) CPMWP Survey |
|
GWP |
|
Part I (2012): Measures of 1725 pairs. Equatorial zone |
|
GWP |
|
(RA 00h00m to 11h59m, DEC +20 to -20 deg) |
|
GWP |
|
Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical |
|
GWP |
|
Observatory (OAG) CPMWP Survey |
|
GWP |
|
Part II (2016): Measures of 1657 pairs. Equatorial zone |
|
GWP |
|
(RA 12h00m to 23h59m, DEC +20 to -20 deg) |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20453+1715 |
GWP2993 |
|
1990 |
1 |
103 |
10.2 |
11.40 |
16.80 |
|
V R |
204520.72+171516.7 |
20453+1715 |
GWP2993 |
|
2018 |
2 |
104 |
11.1 |
11.40 |
16.80 |
|
V R |
204520.72+171516.7 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20453+1715 GWP 2993 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20453+1715 GWP 2993 : MEASURES
No records found.
WDS 20453+1715 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 20453+1715 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.