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Doubles in session


Current system
21098+4001
GRV 430 AB


Nearby doubles
8' : 21105+4000
ALI1155

12' : 21099+4013
COU1968

25' : 21086+3942
ALI1154

25' : 21120+4000
TDT2817

30' : 21072+3958
ES 1990AB

34' : 21109+4034
ES 255

35' : 21129+4003
LDS2495

39' : 21102+3923
ALI 963

39' : 21118+3931
ES 1992

40' : 21068+4021
ES 1989

41' : 21112+3925
COU1969

43' : 21061+4001
COU2224

45' : 21110+3919
MLB 891

47' : 21111+3918
MLB 892

48' : 21129+4033
ES 256

56' : 21146+3947
LDS2500

57' : 21082+4055
AG 414

57' : 21126+3915
MLB 893

57' : 21108+3906
GUR 4

57' : 21094+3905
GUR 1

57' : 21054+3937
CRB 137

58' : 21058+3929
A 2691AB

59' : 21050+4021
COU2135

62' : 21139+4042
TDT2840

64' : 21145+4036
COU2227

65' : 21110+3859
GUR 5



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21098+4001 GRV 430 AB

 
 
21h 09m 50.26s +40° 01' 33.1" P.A. 351.00 sep 47.1 mag 10.09,12.92
 
 
Coord 2000 21098+4001 Discov num GRV 430 Comp AB Coord arcsec 2000 21 09 50.26 +40 01 33.1
Date first 1998 Date last 2015 Obs 4
Pa first 351 Pa last 350.9 P.A. Now (θ) 350.9°
Sep first 47.1 Sep last 47.078 Sep. Now (ρ) 47.078"
Mag pri 10.09 Mag sec 12.92 delta mag (ΔM) 2.83 Spectral class
Pri motion ra -022 Sec motion ra -036
Pri motion dec -018 Sec motion dec -005
Notes N (See Notes)
rPM=0.526
Nature of this double is uncertain.
 
 
21098+4001 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 09 50 +40 01 33 GRV 430 AB 2015 4 351 47.1 10.09 12.92 2.83 <===
Show 21 09 50 +40 01 33 GRV 429 AC 2015 6 168 48.5 10.09 14.08 3.99
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3172-00476-1 Gaia DR2 1968391861175765760
 
 
WDS 21098+4001 GRV 430 AB : NOTES
 
 
discov_num notes refcode
GRV 429 AC: Also known as GRV 430AB.
 
 
REFERENCES
 
 
refcode metd author reference
Grv2004 Eu - Greaves, J. 2004MNRAS.355..585G
Grv2004 MNRAS 355, 585, 2004
Grv2005a Es - Greaves, J. ...................
Grv2005a +C Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a (Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b Pa - Greaves, J. ...................
Grv2005b private communication
Grv2005c C - Greaves, J. 2005JDSO....1...41G
Grv2005c JDSO 1, 41, 2005
Grv2006 - Greaves, J. ...................
Grv2006 private communication, 2006
Grv2006 (measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006 Lepine & Shara 2005)
Grv2006b Es - Greaves, J. ...................
Grv2006b private Communication, 2006
Grv2006b (Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b epoch is unknown and proper motion may or may not have been applied.)
Grv2006c Ey - Greaves, J. ...................
Grv2006c private Communication, 2006
Grv2006c (Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008 Es - Greaves, J. ...................
Grv2008 Webb Soc., Double Star Circ. 16, 2008
Grv2011 C - Greaves, J. ...................
Grv2011 Webb Soc., Double Star Circ. 19, 2011
Grv2011 These carry a discovery designation of SPM and come from the SPM4 Catalog 2011AJ....142...15G
Grv2019a Hg u Greaves, J. 2019JDSO...15...59G
Grv2019a JDSO 15, 59, 2019
Grv2019b Hg u Greaves, J. 2019JDSO...15...77G
Grv2019b JDSO 15, 59, 2019
Grv2019c Hg u Greaves, J. ...................
Grv2019c private communication, 2019 (17 April 2019 email)
Grv2019d Hg - Greaves, J. .
Grv2019d private communication, 2019 (4 Nov 2019 email)
Grv2020a not - Greaves, J. .
Grv2020a private communication, 2020 (14 Mar 2020 email)
Grv2020b Hg j Greaves, J. .
Grv2020b Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c Hg j Greaves, J. .
Grv2020c Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d Hg j Greaves, J. .
Grv2020d Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e Hg u Greaves, J. 2020JDSO...16..317G
Grv2020e JDSO 16, 317, 2020
Grv2020f Hg Greaves, J. 2020JDSO...16..362G
Grv2020f JDSO 16, 362, 2020
Grv2020g Hg - Greaves, J. .
Grv2020g private communication, 2020 (29 Nov 2020 email)
Grv2020h Hg - Greaves, J. .
Grv2020h private communication, 2020 (10 Dec 2020 email)
Grv2020i Hg - Greaves, J. .
Grv2020i private communication, 2020 (12 Dec 2020 email)
Grv2020j Hg - Greaves, J. .
Grv2020j private communication, 2020 (21 Dec 2020 email)
Grv2021a not - Greaves, J. .
Grv2021a private communication, 2021 (18 Feb 2021 email)
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
Grv2021c Hg+ - Greaves, J., Rica Romero, F.M. & Otero, S. 2021JDSO...17..137G
Grv2021c +orb JDSO 17, 137, 2021
Grv2021d Hg - Greaves, J. .
Grv2021d private communication, 2021 (23 Aug 2021 email)
Grv2021e Hg - Greaves, J. .
Grv2021e private communication, 2021 (24 Aug 2021 email)
Grv2022 Hg j Greaves, J. .
Grv2022 Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a Hg - Greaves, J. .
Grv2023a private communication, 2023 (15 Feb 2023 email)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21098+4001 GRV 430 AB 2000 2 351 47.0 9.70 12.40 N D 210950.26+400133.1
21098+4001 GRV 430 AB 2002 3 351 47.0 9.70 12.40 N D 210950.26+400133.1
21098+4001 GRV 430 AB 2015 3 351 47.1 10.09 12.92 N 210950.26+400133.1

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 21098+4001 GRV 430 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21098+4001 GRV 430 AB : MEASURES
 
 
No records found.

 
 
WDS 21098+4001 : VIRTUAL EYEPIECE
 
 

21098+4001 GRV 430A mag 10.09 21098+4001 GRV 430B sep 46.8 P.A. 353.00 mag 12.92 21098+4001 GRV 429C sep 48.0 P.A. 170.40 mag 14.08 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21098+4001 : ALADIN DSS IMAGE @ 21h 09m 50.26s +40° 01' 33.1"
 
 
 
 
WDS 21098+4001 GRV 430 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21098+4001 GRV 430AB distance=0' 21105+4000 ALI1155 distance=8' 21099+4013 COU1968 distance=12' 21086+3942 ALI1154 distance=25' 21120+4000 TDT2817 distance=25' 21072+3958 TDT2765Aa,Ab distance=30' 21072+3958 ES 1990AB distance=30' 21109+4034 ES 255 distance=34' 21129+4003 LDS2495 distance=35' 21102+3923 ALI 963 distance=39' 21118+3931 ES 1992 distance=39' 21068+4021 ES 1989 distance=40' 21112+3925 COU1969 distance=41' 21061+4001 COU2224 distance=43' 21110+3919 MLB 891 distance=45' 21111+3918 MLB 892 distance=47' 21129+4033 ES 256 distance=48' 21146+3947 LDS2500 distance=56' 21082+4055 AG 414 distance=57' 21126+3915 MLB 893 distance=57' 21108+3906 GUR 4 distance=57' 21094+3905 GUR 1 distance=57' 21054+3937 CRB 137 distance=57' 21058+3929 A 2691AB distance=58' 21058+3929 A 2691AC distance=58' 21058+3929 A 2691CD distance=58' 21050+4021 COU2135 distance=59' 21139+4042 TDT2840 distance=62' 21145+4036 COU2227 distance=64' 21110+3859 GUR 5 distance=65' 21153+4017 A 1440 distance=65' 21071+3905 ALI 960 distance=65' 21128+3907 SEI1447 distance=65' 21128+3907 GUR 13Aa,Ab distance=65' 21097+3856 COU1967 distance=66' 21112+3855 ES 1991 distance=68' 21140+4051 KPP1300 distance=69' 21132+3904 TDT2833AB distance=70' 21132+3904 GUR 16AC distance=70' 21073+3857 MLB 889 distance=71' 21105+3851 SEI1429 distance=71' 21051+3914 ES 1987 distance=73' 21130+3858 ES 257 distance=74' 21074+3853 MLB 890 distance=75' 21115+4115 STT 431BC distance=76' 21115+4115 STT 431AB distance=76' 21115+4115 STT 431AC distance=76' 21071+3852 MLB 888 distance=76' 21042+3924 SEI1389 distance=76' 21054+4058 TDT2732 distance=76' 21165+3959 SEI1484 distance=77' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 21098+4001 GRV 430 AB 351 47.1
Show 21098+4001 GRV 429 AC 168 48.5
Show 21105+4000 ALI1155 305 13.4 8
Show 21099+4013 COU1968 104 0.2 12
Show 21086+3942 ALI1154 251 12.5 25
Show 21120+4000 TDT2817 335 0.6 25
Show 21072+3958 TDT2765 Aa,Ab 149 0.4 30
Show 21072+3958 ES 1990 AB 38 5.8 30
Show 21109+4034 ES 255 34 4.6 34
Show 21129+4003 LDS2495 173 5.0 35
Show 21102+3923 ALI 963 291 6.9 39
Show 21118+3931 ES 1992 203 3.1 39
Show 21068+4021 ES 1989 174 6.0 40
Show 21112+3925 COU1969 216 0.1 41
Show 21061+4001 COU2224 67 0.4 43
Show 21110+3919 MLB 891 253 8.7 45
Show 21111+3918 MLB 892 188 4.3 47
Show 21129+4033 ES 256 281 4.5 48
Show 21146+3947 LDS2500 355 14.5 56
Show 21082+4055 AG 414 108 5.3 57
Show 21126+3915 MLB 893 149 3.6 57
Show 21108+3906 GUR 4 106 5.2 57
Show 21094+3905 GUR 1 150 8.3 57
Show 21054+3937 CRB 137 352 29.3 57
Show 21058+3929 A 2691 AB 217 2.7 58
Show 21058+3929 A 2691 AC 313 27.4 58
Show 21058+3929 A 2691 CD 275 6.4 58
Show 21050+4021 COU2135 351 0.2 59
Show 21139+4042 TDT2840 235 0.7 62
Show 21145+4036 COU2227 193 1.2 64
Show 21110+3859 GUR 5 2 0.2 65
Show 21153+4017 A 1440 213 1.2 65
Show 21071+3905 ALI 960 110 12.9 65
Show 21128+3907 SEI1447 151 13.3 65
Show 21128+3907 GUR 13 Aa,Ab 44 0.5 65
Show 21097+3856 COU1967 192 0.8 66
Show 21112+3855 ES 1991 25 2.6 68
Show 21140+4051 KPP1300 32 9.9 69
Show 21132+3904 TDT2833 AB 88 0.6 70
Show 21132+3904 GUR 16 AC 285 11.8 70
Show 21073+3857 MLB 889 5 7.0 71
Show 21105+3851 SEI1429 351 25.1 71
Show 21051+3914 ES 1987 354 7.0 73
Show 21130+3858 ES 257 317 6.6 74
Show 21074+3853 MLB 890 250 5.3 75
Show 21115+4115 STT 431 BC 354 57.1 76
Show 21115+4115 STT 431 AB 127 2.6 76
Show 21115+4115 STT 431 AC 356 55.4 76
Show 21071+3852 MLB 888 55 4.0 76
Show 21042+3924 SEI1389 61 18.2 76
Show 21054+4058 TDT2732 64 0.7 76

 
 
WDS 21098+4001 : COMPONENTS
 
 
  A B
B pa=353.0°
sep=46.83"
 
C pa=170.4°
sep=47.99"
pa=171.7°
sep=94.80"
 
 
21098+4001 A
 
 
Coord arcsec 2000 210950.26+400133.1 Mag 10.09 PmRA -22.00 PmDE -18.0
Tycho2 3172-00476-1
Tycho2
Tycho2 3172-00476-1 Pflag RAmdeg 317.45941590 DEmdeg 40.02586770
PmRA -20.0 PmDE -18.4 E RAmdeg 21 E DEmdeg 20
E pmRA 1.9 E pmDE 1.8 EpRAm 1988.86 EpDEm 1989.17
Num 4 Q RAmdeg 0.8 Q DEmdeg 1.1 Q pmRA 0.7
Q pmDE 1.2 BTmag 11.215 E BTmag 0.050 VTmag 10.090
E VTmag 0.028 Prox 999 TYC T HIP
CCDM RAdeg 317.45947778 DEdeg 40.02591056 EpRA 1990 1.63
EpDE 1990 1.72 E RAdeg 23.9 E DEdeg 21.7 Posflg
Corr 0.1
 
 
21098+4001 B
 
 
Coord arcsec 2000 210949.76+400219.6 Mag 12.92 PmRA -36.00 PmDE -5.0
Calc delta mag 2.83 Calc coord yes
 
 
21098+4001 C
 
 
Coord arcsec 2000 210950.95+400045.8 Mag 14.08 PmRA -38.00 PmDE -23.0
Calc delta mag 3.99 Calc coord yes