20405+2346 BKO 621 BD
20h 40m 28.89s +23° 46' 19.5" P.A. 30.00 sep 8.2 mag 14.00,14.10
| Coord 2000 |
20405+2346 |
|
Discov num |
BKO 621 |
|
Comp |
BD |
|
Coord arcsec 2000 |
20 40 28.89 +23 46 19.5 |
|
| Date first |
2000 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
30 |
|
Pa last |
30.1 |
|
P.A. Now (θ) |
30.1° |
|
| Sep first |
8.4 |
|
Sep last |
8.219 |
|
Sep. Now (ρ) |
8.219" |
|
| Mag pri |
14.00 |
|
Mag sec |
14.10 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+039 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
+051 |
|
| Notes |
|
|
rPM=0.994
This double is not physical.
20405+2346 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 40 28 +23 46 29 |
POU 4848 AB |
2015 |
9 |
119 |
18.7 |
13.10 |
14.00 |
0.90 |
|
|
| Show |
|
|
20 40 29 +23 46 20 |
POU 4849 BC |
2015 |
9 |
56 |
18.3 |
14.00 |
14.30 |
0.30 |
|
|
| Show |
|
|
20 40 29 +23 46 20 |
BKO 621 BD |
2015 |
4 |
30 |
8.2 |
14.00 |
14.10 |
0.10 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1819167276923672576 |
|
WDS 20405+2346 BKO 621 BD : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Bko2002 |
C - |
Ladanyi, T. & Berko, E. |
................... |
| Bko2002 |
|
Webb Soc., Double Star Circ. 10, 2002 |
|
| Bko2003 |
C u |
Ladanyi, T., Berko, E. & Vaskuti, G |
................... |
| Bko2003 |
|
Webb Soc., Double Star Circ. 11, 2003 |
|
| Bko2004 |
C u |
Berko, E., Ladanyi, T. & Vaskuti, G |
................... |
| Bko2004 |
|
Webb Soc., Double Star Circ. 12, 2004 |
|
| Bko2005 |
C u |
Berko, E., Ladanyi, T. & Vaskuti, G |
................... |
| Bko2005 |
|
Webb Soc., Double Star Circ. 13, 2005 |
|
| Bko2008 |
C u |
Berko, E. & Vaskuti, G. |
................... |
| Bko2008 |
|
Webb Soc., Double Star Circ. 16, 2008 |
|
| Bko2008b |
C u |
Berko, E. |
2008JDSO....4..144B |
| Bko2008b |
|
JDSO 4, 144, 2008 |
|
| Bko2009 |
C u |
Berko, E. |
2009JDSO....5...49B |
| Bko2009 |
|
JDSO 5, 49, 2009 |
|
| Bko2009b |
C u |
Berko, E. |
2009JDSO....5..168B |
| Bko2009b |
|
JDSO 5, 168, 2009 |
|
| Bko2009c |
C u |
Berko, E. |
................... |
| Bko2009c |
|
Webb Soc., Double Star Circ. 17, 2009 |
|
| Bko2009d |
C u |
Berko, E. |
2009JDSO....5..189B |
| Bko2009d |
|
JDSO 5, 189, 2009 |
|
| Bko2010a |
C u |
Berko, E. |
2010JDSO....6...21B |
| Bko2010a |
|
JDSO 6, 21, 2010 |
|
| Bko2010b |
C u |
Berko, E. |
................... |
| Bko2010b |
|
Webb Soc., Double Star Circ. 18, 2010 |
|
| Bko2011a |
C u |
Berko, E. |
2011JDSO....7....2B |
| Bko2011a |
|
JDSO 7, 2, 2011 |
|
| Bko2011b |
C u |
Berko, E. |
................... |
| Bko2011b |
|
Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980) |
|
| Bko2011c |
C u |
Berko, E. |
................... |
| Bko2011c |
|
Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042) |
|
| Bko2012 |
C u |
Berko, E. |
................... |
| Bko2012 |
|
Webb Soc., Double Star Circ. 20, 2012 |
|
| Pou1933 |
Pa - |
Pourteau, M. A. |
. |
| Pou1933 |
|
Cat. des etoiles doubles de la zone +24deg de la carte photog. du ciel, 1933 |
|
| Pou1933 |
|
(Obs. de Paris, H. Tessier) [QB821.P7] |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 20405+2346 |
BKO 621 |
BD |
2008 |
2 |
28 |
8.4 |
14.00 |
14.10 |
|
D |
204028.89+234619.5 |
| 20405+2346 |
BKO 621 |
BD |
2015 |
4 |
30 |
8.2 |
14.00 |
14.10 |
|
|
204028.89+234619.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20405+2346 BKO 621 BD : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20405+2346 BKO 621 BD : MEASURES
No records found.
WDS 20405+2346 : 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 20405+2346 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
