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Current system
21540+2852
GRV 519


Nearby doubles
8' : 21538+2856
MLB 495

17' : 21553+2850
COU 836

28' : 21561+2846
COU 837AB

31' : 21517+2856
HLD 49

32' : 21517+2852
SHN 256

33' : 21539+2821
WSI 8

34' : 21565+2900
HJ 1706

36' : 21556+2823
MLB 577AB

38' : 21524+2823
NSN 67

44' : 21510+2911
A 889AB

46' : 21575+2856
LEP 104

49' : 21530+2939
BRT 59

54' : 21555+2942
HO 609AB

55' : 21575+2923
UC 4612

62' : 21572+2938
TDT3258

64' : 21559+2753
HJ 1704

70' : 21521+2748
HO 171

74' : 21505+2756
AZC 116

76' : 21564+3001
MLB 721AB

78' : 21503+2754
MLB 576

78' : 21580+2755
KPP3375

81' : 22001+2909
BRT 60

83' : 21587+2949
BUP 231

87' : 21573+2738
NSN 749

87' : 21480+2819
MLB 541

87' : 22003+2922
MLB 497



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.

21540+2852 GRV 519

 
 
21h 54m 04.45s +28° 52' 32.9" P.A. 318.00 sep 22.1 mag 9.43,12.79 Sp F8 dist. 144.93 pc (472.76 l.y.)
 
 
Coord 2000 21540+2852 Discov num GRV 519 Comp Coord arcsec 2000 21 54 04.45 +28 52 32.9
Date first 1894 Date last 2015 Obs 13
Pa first 317 Pa last 317.6 P.A. Now (θ) 317.6°
Sep first 21.8 Sep last 22.143 Sep. Now (ρ) 22.143"
Mag pri 9.43 Mag sec 12.79 delta mag (ΔM) 3.36 Spectral class F8 (yellow-white)
Pri motion ra +030 Sec motion ra +033
Pri motion dec -081 Sec motion dec -079
Notes
rPM=0.042 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus HIP 108097 Tycho2 2214-01444-1 Gaia DR2 1896412508557201024
BD BD+28 4227 Distance 144.93 Distance ly 472.76
 
 
WDS 21540+2852 GRV 519 : 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
21540+2852 GRV 519 2000 5 318 22.1 9.30 11.40 D 215404.45+285232.9
21540+2852 GRV 519 2010 6 318 22.2 9.30 11.40 D 215404.45+285232.9
21540+2852 GRV 519 2015 9 318 22.1 9.43 12.79 F8 215404.45+285232.9

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

 
 
WDS 21540+2852 GRV 519 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21540+2852 GRV 519 : MEASURES
 
 
No records found.

 
 
WDS 21540+2852 : VIRTUAL EYEPIECE
 
 

21540+2852 GRV 519A mag 9.43 Sp F8 21540+2852 GRV 519B sep 20.9 P.A. 321.40 mag 12.79 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 21540+2852 : ALADIN DSS IMAGE @ 21h 54m 04.45s +28° 52' 32.9"
 
 
 
 
WDS 21540+2852 GRV 519 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21540+2852 GRV 519 distance=0' 21538+2856 MLB 495 distance=8' 21553+2850 COU 836 distance=17' 21561+2846 COU 837AB distance=28' 21561+2846 GII 104AC distance=28' 21517+2856 HLD 49 distance=31' 21517+2852 SHN 256 distance=32' 21539+2821 WSI 8 distance=33' 21565+2900 HJ 1706 distance=34' 21556+2823 MLB 577BC distance=35' 21556+2823 MLB 577AB distance=36' 21524+2823 NSN 67 distance=38' 21510+2911 A 889AB distance=44' 21510+2911 A 889Aa,Ab distance=44' 21575+2856 LEP 104 distance=46' 21530+2939 BRT 59 distance=49' 21555+2942 HO 609AB distance=54' 21555+2942 HO 609AC distance=54' 21555+2942 HO 609AD distance=54' 21555+2942 HO 609AE distance=54' 21575+2923 UC 4612 distance=55' 21572+2938 TDT3258 distance=62' 21559+2753 HJ 1704 distance=64' 21521+2748 HO 171 distance=70' 21505+2756 AZC 116 distance=74' 21564+3001 MLB 721AB distance=76' 21564+3001 MLB 721AC distance=76' 21503+2754 MLB 576 distance=78' 21580+2755 KPP3375 distance=78' 22001+2909 BRT 60 distance=81' 21587+2949 BUP 231 distance=83' 21573+2738 NSN 749 distance=87' 21480+2819 MLB 541 distance=87' 22003+2922 MLB 497 distance=87' 21593+2800 MLB 578 distance=87' 21474+2855 AG 420 distance=88' 21474+2834 A 300AB distance=90' 21474+2834 A 300AC distance=90' 21474+2834 A 300AD distance=90' 21555+2724 A 303AB distance=91' 21555+2724 STJ 1AC distance=91' 21469+2907 CVR 919 distance=96' 21473+2932 STJ 58 distance=97' 21567+2721 GRV 521 distance=98' 21470+2930 GRV 503 distance=100' 22012+2818 RAO 691 distance=101' 21516+3030 MLB 669 distance=103' 21461+2855 BRT 58 distance=105' 21585+2725 A 304AB distance=106' 21585+2725 A 304AB,C distance=106' 21477+2740 CVR 922 distance=111' 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 21540+2852 GRV 519 318 22.1
Show 21538+2856 MLB 495 134 4.8 8
Show 21553+2850 COU 836 161 1.3 17
Show 21561+2846 COU 837 AB 150 1.2 28
Show 21561+2846 GII 104 AC 105 1.9 28
Show 21517+2856 HLD 49 341 2.1 31
Show 21517+2852 SHN 256 -1 0.6 32
Show 21539+2821 WSI 8 142 0.1 33
Show 21565+2900 HJ 1706 260 10.0 34
Show 21556+2823 MLB 577 BC 18 6.4 35
Show 21556+2823 MLB 577 AB 300 48.8 36
Show 21524+2823 NSN 67 285 5.1 38
Show 21510+2911 A 889 AB 15 0.2 44
Show 21510+2911 A 889 Aa,Ab 323 0.0 44
Show 21575+2856 LEP 104 189 85.0 46
Show 21530+2939 BRT 59 355 4.4 49
Show 21555+2942 HO 609 AB 356 3.3 54
Show 21555+2942 HO 609 AC 132 22.1 54
Show 21555+2942 HO 609 AD 147 30.4 54
Show 21555+2942 HO 609 AE 347 31.7 54
Show 21575+2923 UC 4612 23 64.1 55
Show 21572+2938 TDT3258 262 1.8 62
Show 21559+2753 HJ 1704 317 5.6 64
Show 21521+2748 HO 171 342 0.8 70
Show 21505+2756 AZC 116 353 20.9 74
Show 21564+3001 MLB 721 AB 15 1.6 76
Show 21564+3001 MLB 721 AC 200 6.9 76
Show 21503+2754 MLB 576 267 13.1 78
Show 21580+2755 KPP3375 114 14.2 78
Show 22001+2909 BRT 60 163 4.0 81
Show 21587+2949 BUP 231 76 55.4 83
Show 21573+2738 NSN 749 84 1.7 87
Show 21480+2819 MLB 541 340 9.9 87
Show 22003+2922 MLB 497 185 7.7 87
Show 21593+2800 MLB 578 151 3.1 87
Show 21474+2855 AG 420 145 7.5 88
Show 21474+2834 A 300 AB 252 2.3 90
Show 21474+2834 A 300 AC 29 7.5 90
Show 21474+2834 A 300 AD 170 8.4 90
Show 21555+2724 A 303 AB 52 2.3 91
Show 21555+2724 STJ 1 AC 337 3.4 91
Show 21469+2907 CVR 919 201 23.5 96
Show 21473+2932 STJ 58 193 1.8 97
Show 21567+2721 GRV 521 306 45.5 98
Show 21470+2930 GRV 503 331 20.4 100
Show 22012+2818 RAO 691 298 0.3 101
Show 21516+3030 MLB 669 309 3.2 103
Show 21461+2855 BRT 58 165 4.4 105
Show 21585+2725 A 304 AB 131 0.6 106
Show 21585+2725 A 304 AB,C 240 13.9 106
Show 21477+2740 CVR 922 225 9.9 111

 
 
WDS 21540+2852 : COMPONENTS
 
 
  A
B pa=321.4°
sep=20.94"
 
 
21540+2852 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215404.45+285232.9 Mag 9.43 Spectral class F8 (yellow-white)
PmRA 30.00 PmDE -81.0 HIP 108097 Tycho2 2214-01444-1
BD BD+28 4227
Tycho2
Tycho2 2214-01444-1 Pflag RAmdeg 328.51855700 DEmdeg 28.87581051
PmRA 31.1 PmDE -77.1 E RAmdeg 15 E DEmdeg 17
E pmRA 1.4 E pmDE 1.5 EpRAm 1989.33 EpDEm 1988.93
Num 8 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.9 BTmag 10.066 E BTmag 0.032 VTmag 9.425
E VTmag 0.024 Prox 929 TYC T HIP 108097
CCDM RAdeg 328.51847667 DEdeg 28.87599333 EpRA 1990 1.70
EpDE 1990 1.53 E RAdeg 16.0 E DEdeg 17.9 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 108097 Proxy RAhms 21 54 04.43
DEdms +28 52 33.6 Vmag 9.33 VarFlag R Vmag H
RAdeg 328.518 DEdeg 28.876 AstroRef Plx 6.78
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+28 4227
CD CP Dm number +28 4227 VIred 0.65
SpType F8 R SpType Coord arcsec 2000 215404.43+285233.6
Hipparcos 2
HIP 108097 Sn 5 So 0 Nc 1
RArad 5.7337289681 DErad 0.5039812059 Plx 6.9 PmRA 30.45
PmDE -77.13 E RArad 1.03 E DErad 1.15 E Plx 1.34
E pmRA 1.27 E pmDE 1.59 Hpmag 9.4546 E Hpmag 0.0033
SHp 0.03 VA 0 BV 0.57 E BV 0.032
VI 0.64
 
 
21540+2852 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215403.45+285249.3 Mag 12.79 PmRA 33.00
PmDE -79.0 Calc delta mag 3.36 Calc coord yes