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Doubles in session


Current system
21424+2140
GRV 495


Nearby doubles
14' : 21429+2152
HJ 1683AB

15' : 21434+2147
COU 536

20' : 21431+2157
BRT2499

23' : 21408+2140
LDS4903

38' : 21427+2102
J 614

42' : 21417+2100
UC 4531

46' : 21455+2156
AG 276

50' : 21458+2155
HU 1656

54' : 21433+2046
J 852

59' : 21461+2111
AG 277

61' : 21457+2100
UC 4553

64' : 21465+2210
HO 465AB

66' : 21467+2209
GMC 24

69' : 21473+2134
GRV 505

71' : 21397+2041
GMC 23

72' : 21423+2252
AZC 114

73' : 21393+2043
STT 445

74' : 21379+2102
YR 30

80' : 21391+2036
STT 444

88' : 21373+2230
CVR 911

89' : 21487+2144
BRT2500

89' : 21481+2100
HU 378

93' : 21432+2312
J 3144AB

101' : 21495+2202
COU 135

103' : 21399+2005
UC 4521

103' : 21352+2124
BU 74



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.

21424+2140 GRV 495

 
 
21h 42m 26.69s +21° 40' 32.2" P.A. 146.00 sep 33.8 mag 12.94,12.98
 
 
Coord 2000 21424+2140 Discov num GRV 495 Comp Coord arcsec 2000 21 42 26.69 +21 40 32.2
Date first 1894 Date last 2016 Obs 10
Pa first 146 Pa last 145.6 P.A. Now (θ) 145.6°
Sep first 33.7 Sep last 33.844 Sep. Now (ρ) 33.844"
Mag pri 12.94 Mag sec 12.98 delta mag (ΔM) 0.04 Spectral class
Pri motion ra +014 Sec motion ra +015
Pri motion dec -049 Sec motion dec -051
Notes
rPM=0.042 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 1793712861185395200
 
 
WDS 21424+2140 GRV 495 : NOTES
 
 
No records found.

 
 
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
21424+2140 GRV 495 2000 3 146 33.8 12.50 12.60 D 214226.69+214032.2
21424+2140 GRV 495 2001 4 146 33.9 12.50 12.60 D 214226.69+214032.2
21424+2140 GRV 495 2010 4 146 33.8 12.94 12.98 214226.69+214032.2
21424+2140 GRV 495 2015 5 146 33.8 12.94 12.98 214226.69+214032.2
21424+2140 GRV 495 2016 10 146 33.8 12.94 12.98 214226.69+214032.2

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

 
 
WDS 21424+2140 GRV 495 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21424+2140 GRV 495 : MEASURES
 
 
No records found.

 
 
WDS 21424+2140 : VIRTUAL EYEPIECE
 
 

21424+2140 GRV 495A mag 12.94 21424+2140 GRV 495B sep 33.1 P.A. 147.50 mag 12.98 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 21424+2140 : ALADIN DSS IMAGE @ 21h 42m 26.69s +21° 40' 32.2"
 
 
 
 
WDS 21424+2140 GRV 495 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21424+2140 GRV 495 distance=0' 21429+2152 HJ 1683AB distance=14' 21429+2152 HJ 1683AC distance=14' 21429+2152 ABH 150AD distance=14' 21434+2147 COU 536 distance=15' 21431+2157 BRT2499 distance=20' 21408+2140 LDS4903 distance=23' 21427+2102 J 614 distance=38' 21417+2100 UC 4531 distance=42' 21455+2156 AG 276 distance=46' 21458+2155 HU 1656 distance=50' 21433+2046 J 852 distance=54' 21461+2111 AG 277 distance=59' 21457+2100 UC 4553 distance=61' 21465+2210 HO 465BC distance=63' 21465+2210 HDS3101Aa,Ab distance=64' 21465+2210 HO 465AB distance=64' 21467+2209 GMC 24 distance=66' 21473+2134 GRV 505 distance=69' 21397+2041 GMC 23 distance=71' 21423+2252 AZC 114 distance=72' 21393+2043 STT 445 distance=73' 21379+2102 YR 30 distance=74' 21391+2036 STT 444 distance=80' 21373+2230 CVR 911 distance=88' 21487+2144 BRT2500 distance=89' 21481+2100 HU 378 distance=89' 21432+2312 J 3144AB distance=93' 21432+2312 J 3144AC distance=93' 21495+2202 COU 135 distance=101' 21399+2005 UC 4521 distance=103' 21352+2124 BU 74 distance=103' 21398+2317 CVR 913 distance=103' 21436+2324 POU5465 distance=106' 21500+2157 TDT3184 distance=107' 21396+2322 AG 274AB distance=109' 21396+2322 AG 274AC distance=109' 21403+1955 SLW1246 distance=110' 21453+2325 POU5484 distance=112' 21419+1949 CBL 533 distance=112' 21461+2001 HU 376 distance=112' 21451+1954 RAO 466 distance=114' 21385+2323 POU5445 distance=118' 21422+2338 POU5460 distance=118' 21497+2039 TDT3182 distance=119' 21506+2216 HO 467AB distance=119' 21506+2216 HO 467AC distance=119' 21492+2256 LDS4910 distance=121' 21501+2242 TDT3185 distance=123' 21431+2343 BKO 630 distance=124' 21429+2345 POU5462 distance=125' 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 21424+2140 GRV 495 146 33.8
Show 21429+2152 HJ 1683 AB 169 12.6 14
Show 21429+2152 HJ 1683 AC 315 27.3 14
Show 21429+2152 ABH 150 AD 28 75.5 14
Show 21434+2147 COU 536 227 1.0 15
Show 21431+2157 BRT2499 206 4.8 20
Show 21408+2140 LDS4903 100 81.0 23
Show 21427+2102 J 614 307 2.0 38
Show 21417+2100 UC 4531 213 69.8 42
Show 21455+2156 AG 276 1 2.0 46
Show 21458+2155 HU 1656 305 2.2 50
Show 21433+2046 J 852 92 4.2 54
Show 21461+2111 AG 277 62 2.7 59
Show 21457+2100 UC 4553 184 63.7 61
Show 21465+2210 HO 465 BC 80 4.9 63
Show 21465+2210 HDS3101 Aa,Ab 22 0.1 64
Show 21465+2210 HO 465 AB 246 44.5 64
Show 21467+2209 GMC 24 265 6.9 66
Show 21473+2134 GRV 505 327 45.5 69
Show 21397+2041 GMC 23 342 10.5 71
Show 21423+2252 AZC 114 162 16.8 72
Show 21393+2043 STT 445 120 1.0 73
Show 21379+2102 YR 30 340 0.1 74
Show 21391+2036 STT 444 277 8.0 80
Show 21373+2230 CVR 911 174 10.5 88
Show 21487+2144 BRT2500 243 4.6 89
Show 21481+2100 HU 378 298 0.2 89
Show 21432+2312 J 3144 AB 348 3.4 93
Show 21432+2312 J 3144 AC 129 9.7 93
Show 21495+2202 COU 135 302 9.2 101
Show 21399+2005 UC 4521 35 12.3 103
Show 21352+2124 BU 74 338 1.0 103
Show 21398+2317 CVR 913 39 17.1 103
Show 21436+2324 POU5465 242 17.0 106
Show 21500+2157 TDT3184 171 2.6 107
Show 21396+2322 AG 274 AB 153 9.1 109
Show 21396+2322 AG 274 AC 160 62.5 109
Show 21403+1955 SLW1246 345 155.2 110
Show 21453+2325 POU5484 331 14.6 112
Show 21419+1949 CBL 533 123 64.8 112
Show 21461+2001 HU 376 14 1.4 112
Show 21451+1954 RAO 466 249 0.6 114
Show 21385+2323 POU5445 191 25.9 118
Show 21422+2338 POU5460 232 14.1 118
Show 21497+2039 TDT3182 210 1.9 119
Show 21506+2216 HO 467 AB 221 2.6 119
Show 21506+2216 HO 467 AC 334 41.8 119
Show 21492+2256 LDS4910 143 35.7 121
Show 21501+2242 TDT3185 202 0.6 123
Show 21431+2343 BKO 630 215 10.0 124
Show 21429+2345 POU5462 323 10.7 125

 
 
WDS 21424+2140 : COMPONENTS
 
 
  A
B pa=147.5°
sep=33.10"
 
 
21424+2140 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214226.69+214032.2 Mag 12.94 PmRA 14.00
PmDE -49.0
 
 
21424+2140 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214227.96+214004.3 Mag 12.98 PmRA 15.00
PmDE -51.0 Calc delta mag 0.04 Calc coord yes