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Doubles in session


Current system
07440+4217
GRV 998


Nearby doubles
14' : 07444+4204
KPP2259

24' : 07447+4154
SLW 202

27' : 07469+4213
SLW 204

39' : 07432+4253
CVR 69

45' : 07452+4302
UC 1612

49' : 07402+4206
ES 1386AB

52' : 07427+4130
KU 94

61' : 07405+4136
LDS6208

64' : 07389+4229
STTA 87

71' : 07382+4209
SKF1617

73' : 07510+4231
LDS 901

75' : 07495+4128
A 2468AB

81' : 07387+4305
CVR 472

86' : 07463+4340
COU2489

94' : 07414+4344
KPP1657

96' : 07453+4041
ES 1537

98' : 07481+4049
COU2380

102' : 07362+4300
SKF1565

104' : 07382+4334
FMR 78

105' : 07359+4302
STT 174

106' : 07428+4034
UC 1606

107' : 07357+4303
MAD 3

111' : 07522+4109
YR 25

111' : 07450+4027
COU2379

119' : 07422+4413
A 2049

120' : 07398+4405
LDS3754



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.

07440+4217 GRV 998

 
 
07h 44m 31.17s +42° 17' 23.0" P.A. 27.00 sep 17.8 mag 15.10,15.90
 
 
Coord 2000 07440+4217 Discov num GRV 998 Comp Coord arcsec 2000 07 44 31.17 +42 17 23.0
Date first 1998 Date last 2015 Obs 8
Pa first 27 Pa last 27 P.A. Now (θ) 27°
Sep first 17.8 Sep last 17.812 Sep. Now (ρ) 17.812"
Mag pri 15.10 Mag sec 15.90 delta mag (ΔM) 0.8 Spectral class
Pri motion ra -013 Sec motion ra -012
Pri motion dec -020 Sec motion dec -022
Notes
rPM=0.089 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lynx Gaia DR2 924294627300950912
 
 
WDS 07440+4217 GRV 998 : 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
07440+4217 GRV 998 2000 2 27 17.8 15.10 15.90 D 074431.17+421723.0
07440+4217 GRV 998 2002 3 27 17.7 15.10 15.90 D 074431.17+421723.0
07440+4217 GRV 998 2010 4 27 17.8 15.10 15.90 074431.17+421723.0
07440+4217 GRV 998 2015 5 27 17.8 15.10 15.90 074431.17+421723.0

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

 
 
WDS 07440+4217 GRV 998 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07440+4217 GRV 998 : MEASURES
 
 
No records found.

 
 
WDS 07440+4217 : VIRTUAL EYEPIECE
 
 

07440+4217 GRV 998A mag 15.1 07440+4217 GRV 998B sep 17.0 P.A. 20.70 mag 15.9 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 07440+4217 : ALADIN DSS IMAGE @ 07h 44m 31.17s +42° 17' 23.0"
 
 
 
 
WDS 07440+4217 GRV 998 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07440+4217 GRV 998 distance=0' 07444+4204 KPP2259 distance=14' 07447+4154 SLW 202 distance=24' 07469+4213 SLW 204 distance=27' 07432+4253 CVR 69 distance=39' 07452+4302 UC 1612 distance=45' 07402+4206 ES 1386AB distance=49' 07402+4206 SIN 29AC distance=49' 07402+4206 SIN 29AD distance=49' 07402+4206 SIN 29AE distance=49' 07402+4206 SIN 29AF distance=49' 07427+4130 KU 94 distance=52' 07405+4136 LDS6208 distance=61' 07389+4229 STTA 87 distance=64' 07382+4209 SKF1617 distance=71' 07510+4231 LDS 901 distance=73' 07495+4128 RAS 6Aa,Ab distance=75' 07495+4128 A 2468AB distance=75' 07495+4128 LDS 900AB,C distance=75' 07387+4305 CVR 472 distance=81' 07463+4340 COU2489 distance=86' 07414+4344 KPP1657 distance=94' 07453+4041 ES 1537 distance=96' 07481+4049 COU2380 distance=98' 07362+4300 SKF1565 distance=102' 07382+4334 FMR 78 distance=104' 07359+4302 STT 174 distance=105' 07428+4034 UC 1606 distance=106' 07357+4303 MAD 3 distance=107' 07522+4109 YR 25 distance=111' 07450+4027 COU2379 distance=111' 07422+4413 A 2049 distance=119' 07398+4405 LDS3754 distance=120' 07458+4417 HDS1097 distance=121' 07480+4023 ITF 128 distance=122' 07333+4207 SKF1557 distance=125' 07548+4309 ES 590 distance=125' 07338+4258 SKF1560 distance=125' 07552+4134 WEI 16AB distance=127' 07552+4134 SIN 34AC distance=127' 07552+4134 SIN 34AD distance=127' 07560+4200 SLW 212 distance=129' 07373+4037 SKF1570 distance=129' 07484+4015 SLW 205 distance=130' 07348+4104 CVR 468 distance=132' 07367+4405 NSN 578 distance=138' 07508+4018 SLW 207 distance=139' 07377+4417 STJ 98 distance=142' 07460+4439 CVR 71 distance=143' 07337+4058 TDS4929 distance=145' 07542+4042 COU2493 distance=145' 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 07440+4217 GRV 998 27 17.8
Show 07444+4204 KPP2259 40 18.9 14
Show 07447+4154 SLW 202 190 173.8 24
Show 07469+4213 SLW 204 312 127.7 27
Show 07432+4253 CVR 69 234 52.7 39
Show 07452+4302 UC 1612 47 16.2 45
Show 07402+4206 ES 1386 AB 69 8.3 49
Show 07402+4206 SIN 29 AC 12 13.8 49
Show 07402+4206 SIN 29 AD 359 42.7 49
Show 07402+4206 SIN 29 AE 227 65.2 49
Show 07402+4206 SIN 29 AF 95 200.1 49
Show 07427+4130 KU 94 356 21.2 52
Show 07405+4136 LDS6208 335 3.3 61
Show 07389+4229 STTA 87 358 61.6 64
Show 07382+4209 SKF1617 76 0.9 71
Show 07510+4231 LDS 901 137 12.5 73
Show 07495+4128 RAS 6 Aa,Ab 304 0.1 75
Show 07495+4128 A 2468 AB 199 2.1 75
Show 07495+4128 LDS 900 AB,C 338 108.6 75
Show 07387+4305 CVR 472 177 8.1 81
Show 07463+4340 COU2489 111 0.3 86
Show 07414+4344 KPP1657 111 12.7 94
Show 07453+4041 ES 1537 355 11.1 96
Show 07481+4049 COU2380 355 1.0 98
Show 07362+4300 SKF1565 111 1.4 102
Show 07382+4334 FMR 78 283 175.9 104
Show 07359+4302 STT 174 92 1.9 105
Show 07428+4034 UC 1606 29 11.9 106
Show 07357+4303 MAD 3 120 3.7 107
Show 07522+4109 YR 25 4 0.2 111
Show 07450+4027 COU2379 357 0.5 111
Show 07422+4413 A 2049 165 1.7 119
Show 07398+4405 LDS3754 348 10.8 120
Show 07458+4417 HDS1097 32 0.3 121
Show 07480+4023 ITF 128 44 6.4 122
Show 07333+4207 SKF1557 347 0.8 125
Show 07548+4309 ES 590 73 7.8 125
Show 07338+4258 SKF1560 288 1.1 125
Show 07552+4134 WEI 16 AB 38 22.8 127
Show 07552+4134 SIN 34 AC 153 31.1 127
Show 07552+4134 SIN 34 AD 347 114.9 127
Show 07560+4200 SLW 212 316 95.4 129
Show 07373+4037 SKF1570 12 1.1 129
Show 07484+4015 SLW 205 338 18.3 130
Show 07348+4104 CVR 468 5 7.5 132
Show 07367+4405 NSN 578 318 4.1 138
Show 07508+4018 SLW 207 353 138.6 139
Show 07377+4417 STJ 98 167 1.2 142
Show 07460+4439 CVR 71 228 94.1 143
Show 07337+4058 TDS4929 107 1.2 145
Show 07542+4042 COU2493 171 1.9 145

 
 
WDS 07440+4217 : COMPONENTS
 
 
  A
B pa=20.7°
sep=16.96"
 
 
07440+4217 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 074431.17+421723.0 Mag 15.1 PmRA -13.00
PmDE -20.0
 
 
07440+4217 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 074431.71+421738.9 Mag 15.9 PmRA -12.00
PmDE -22.0 Calc delta mag 0.8 Calc coord yes