stampa
Login

Enhance your experience with Stelle Doppie.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
22313+5017
BU 703
Alp Lac


Nearby doubles
14' : 22318+5004
ES 837AB

18' : 22331+5021
ES 105

30' : 22343+5023
ARG 44

31' : 22306+5047
TDT3556

34' : 22329+4948
BKO 917AB

35' : 22278+5024
TDT3532

36' : 22335+4949
BKO 924

36' : 22312+5052
STF2918

36' : 22331+4946
ES 838AB

37' : 22346+5000
HU 1321

41' : 22336+5051
TDT3582

41' : 22336+4943
BKO 925

41' : 22332+4941
BKO 919

42' : 22337+4942
BKO 926

43' : 22286+4942
COU2448

45' : 22266+5019
HJ 1766AB

45' : 22272+5040
ES 537

51' : 22322+4927
COU2449

54' : 22367+5030
TDT3617

55' : 22269+4943
BU 380AB

56' : 22329+4923
HU 1320

57' : 22301+4921
FRK 11

59' : 22265+4941
BU 700

60' : 22285+5110
OSO 179AB

62' : 22315+4916
ES 1182

64' : 22311+4913
ES 1181



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.

22313+5017 BU 703 (Alp Lac)

 
 
22h 31m 17.38s +50° 16' 56.8" P.A. 286.00 sep 46.7 mag 3.77,11.80 Sp A1V dist. 31.46 pc (102.62 l.y.)
 
 
Coord 2000 22313+5017 Discov num BU  703 Comp Coord arcsec 2000 22 31 17.38 +50 16 56.8
Date first 1878 Date last 2014 Obs 18
Pa first 299 Pa last 286.2 P.A. Now (θ) 286.2°
Sep first 30.2 Sep last 46.683 Sep. Now (ρ) 46.683"
Mag pri 3.77 Mag sec 11.80 delta mag (ΔM) 8.03 Spectral class A1V (white)
Pri motion ra +138 Sec motion ra +003
Pri motion dec +017 Sec motion dec +005
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.975
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Alp Lac Constellation Lacerta SAO 34542 HIP 111169
Tycho2 3628-03193-1 Gaia DR2 1988193348339562880 HD 213558 HR 8585
GC 31471 ADS 16021 BD BD+49 3875 Bayer Alpha Lacertae
Bayer name Alp Lac Flamsteed 7 Lacertae Flamsteed name 7 Lac FK5 848
Distance 31.46 Distance ly 102.62 Bayer greek α Lac
 
 
WDS 22313+5017 BU 703 (Alp Lac) : NOTES
 
 
discov_num notes refcode
BU 703 alp Lac = 7 Lac.
Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
Rectilinear solution by Hurowitz et al. (2014). USN2014b
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
USN2014b lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.183....1H
USN2014b Inf. Circ. 183, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22313+5017 BU 703 1925 8 294 36.3 3.77 11.80 A1V N D 223117.38+501656.8
22313+5017 BU 703 2008 10 286 45.8 3.77 11.80 A1V N D 223117.38+501656.8
22313+5017 BU 703 2010 11 286 46.1 3.77 11.80 A1V N D 223117.38+501656.8
22313+5017 BU 703 2014 18 286 46.7 3.77 11.80 A1V NL U 223117.38+501656.8

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

 
 
WDS 22313+5017 BU 703 (Alp Lac) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22313+5017 BU 703 (Alp Lac) : MEASURES
 
 
No records found.

 
 
WDS 22313+5017 (Alp Lac) : VIRTUAL EYEPIECE
 
 

22313+5017 BU 703A mag 3.77 Sp A1V 22313+5017 BU 703B sep 31.5 P.A. 294.40 mag 11.8 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 22313+5017 (Alp Lac) : ALADIN DSS IMAGE @ 22h 31m 17.38s +50° 16' 56.8"
 
 
 
 
WDS 22313+5017 BU 703 (Alp Lac) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22313+5017 BU 703 distance=0' 22318+5004 ES 837AB distance=14' 22318+5004 ES 837AC distance=14' 22318+5004 ES 837AD distance=14' 22331+5021 ES 105 distance=18' 22343+5023 ARG 44 distance=30' 22306+5047 TDT3556 distance=31' 22329+4948 BKO 917AB distance=34' 22329+4948 BKO 917AC distance=34' 22278+5024 TDT3532 distance=35' 22335+4949 BKO 924 distance=36' 22312+5052 STF2918 distance=36' 22331+4946 ES 838AB distance=36' 22331+4946 ES 838AC distance=36' 22331+4946 ABH 167AD distance=36' 22331+4946 ABH 167AE distance=36' 22331+4946 ABH 167AF distance=36' 22331+4946 ABH 167AG distance=36' 22331+4946 ABH 167AH distance=36' 22331+4946 ABH 167AI distance=36' 22331+4946 ABH 167AJ distance=36' 22331+4946 ABH 167AK distance=36' 22346+5000 HU 1321 distance=37' 22336+5051 TDT3582 distance=41' 22336+4943 BKO 925 distance=41' 22332+4941 BKO 919 distance=41' 22337+4942 BKO 926 distance=42' 22286+4942 COU2448 distance=43' 22266+5019 HJ 1766AB distance=45' 22266+5019 ES 1180BC distance=45' 22272+5040 ES 537 distance=45' 22322+4927 COU2449 distance=51' 22367+5030 TDT3617 distance=54' 22269+4943 BU 380CD distance=55' 22269+4943 BU 380CR distance=55' 22269+4943 BU 380AB distance=55' 22269+4943 STTA234AC distance=55' 22269+4943 BU 380AE distance=55' 22329+4923 HU 1320 distance=56' 22301+4921 FRK 11 distance=57' 22265+4941 BU 700 distance=59' 22285+5110 OSO 179AB distance=60' 22285+5110 OSO 179AC distance=60' 22285+5110 OSO 179AD distance=60' 22285+5110 OSO 179AE distance=60' 22285+5110 OSO 179AF distance=60' 22285+5110 OSO 179AG distance=60' 22315+4916 ES 1182 distance=62' 22311+4913 ES 1181 distance=64' 22362+5059 COU2696 distance=65' 22300+5122 HU 1318AB distance=67' 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 22313+5017 BU 703 286 46.7
Show 22318+5004 ES 837 AB 248 6.5 14
Show 22318+5004 ES 837 AC 237 12.5 14
Show 22318+5004 ES 837 AD 171 44.7 14
Show 22331+5021 ES 105 297 11.7 18
Show 22343+5023 ARG 44 167 7.4 30
Show 22306+5047 TDT3556 180 0.8 31
Show 22329+4948 BKO 917 AB 45 5.4 34
Show 22329+4948 BKO 917 AC 201 8.6 34
Show 22278+5024 TDT3532 211 4.8 35
Show 22335+4949 BKO 924 351 5.1 36
Show 22312+5052 STF2918 238 1.7 36
Show 22331+4946 ES 838 AB 254 6.6 36
Show 22331+4946 ES 838 AC 182 18.9 36
Show 22331+4946 ABH 167 AD 196 37.5 36
Show 22331+4946 ABH 167 AE 195 33.5 36
Show 22331+4946 ABH 167 AF 191 32.4 36
Show 22331+4946 ABH 167 AG 46 62.1 36
Show 22331+4946 ABH 167 AH 110 44.8 36
Show 22331+4946 ABH 167 AI 281 53.6 36
Show 22331+4946 ABH 167 AJ 293 73.8 36
Show 22331+4946 ABH 167 AK 275 62.5 36
Show 22346+5000 HU 1321 178 3.2 37
Show 22336+5051 TDT3582 322 0.5 41
Show 22336+4943 BKO 925 227 3.6 41
Show 22332+4941 BKO 919 10 4.6 41
Show 22337+4942 BKO 926 46 6.8 42
Show 22286+4942 COU2448 38 0.8 43
Show 22266+5019 HJ 1766 AB 269 14.5 45
Show 22266+5019 ES 1180 BC 273 4.5 45
Show 22272+5040 ES 537 31 2.0 45
Show 22322+4927 COU2449 121 1.0 51
Show 22367+5030 TDT3617 149 1.6 54
Show 22269+4943 BU 380 CD 242 21.7 55
Show 22269+4943 BU 380 CR 18 16.6 55
Show 22269+4943 BU 380 AB 324 24.8 55
Show 22269+4943 STTA234 AC 134 36.3 55
Show 22269+4943 BU 380 AE 88 23.6 55
Show 22329+4923 HU 1320 33 0.2 56
Show 22301+4921 FRK 11 90 66.8 57
Show 22265+4941 BU 700 333 10.2 59
Show 22285+5110 OSO 179 AB 323 11.7 60
Show 22285+5110 OSO 179 AC 77 15.6 60
Show 22285+5110 OSO 179 AD 358 17.5 60
Show 22285+5110 OSO 179 AE 45 17.8 60
Show 22285+5110 OSO 179 AF 45 24.5 60
Show 22285+5110 OSO 179 AG 80 23.4 60
Show 22315+4916 ES 1182 254 2.1 62
Show 22311+4913 ES 1181 115 1.8 64
Show 22362+5059 COU2696 161 1.5 65
Show 22300+5122 HU 1318 AB 13 1.0 67

 
 
WDS 22313+5017 : COMPONENTS
 
 
  A
B pa=294.4°
sep=31.47"
 
 
22313+5017 A
 
 
Componente originario normalizzato AB Name Alp Lac Coord arcsec 2000 223117.38+501656.8 Mag 3.77
Spectral class A1V (white) PmRA 138.00 PmDE 17.0 SAO 34542
HIP 111169 Tycho2 3628-03193-1 HD 213558 HR 8585
GC 31471 BD BD+49 3875 Bayer Alpha Lacertae Bayer name Alp Lac
Flamsteed 7 Lacertae Flamsteed name 7 Lac FK5 848
Tycho2
Tycho2 3628-03193-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 3.784 E BTmag 0.014 VTmag 3.758
E VTmag 0.009 Prox 999 TYC T HIP 111169
CCDM RAdeg 337.82242333 DEdeg 50.28245083 EpRA 1990 1.63
EpDE 1990 1.70 E RAdeg 3.2 E DEdeg 3.2 Posflg
Corr 0.2
SAO
SAO 34542 DelFlag RA1950 PmRA1950 0.014
DE1950 PmDE1950 0.023 Vmag 3.9 SpType A0
Double code Source 74 CatNum 848 DM BD+49 3875
DMcomp BDsup HD 213558 M HD 0
GC 31471 RA1950rad 5.88710886 DE1950rad 0.87310076 PmRA2000 0.0143
PmDE2000 0.019
Hipparcos
Catalog H HIP 111169 Proxy RAhms 22 31 17.38
DEdms +50 16 56.8 Vmag 3.76 VarFlag R Vmag H
RAdeg 337.822 DEdeg 50.2825 AstroRef Plx 31.86
CCDM 22313+5017 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 213558 BD BD+49 3875
CD CP Dm number +49 3875 VIred 0.03
SpType A1V R SpType Coord arcsec 2000 223117.38+501656.8
Hipparcos 2
HIP 111169 Sn 5 So 0 Nc 1
RArad 5.8961131509 DErad 0.8775943054 Plx 31.79 PmRA 137.51
PmDE 17.01 E RArad 0.09 E DErad 0.08 E Plx 0.12
E pmRA 0.09 E pmDE 0.08 Hpmag 3.782 E Hpmag 0.0003
SHp 0.003 VA 0 BV 0.031 E BV 0.003
VI 0.05
CCDM
Ccdm 22313+5017 RComp Comp A Note1
Note2 Discov num DRAs -0.52 DDEs -3.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 3.8 Sp A0 PmNote *
PmRA 136 PmDE 23 Dm number +49 3875 Cat1 BD
Name2 +50 1825 Cat2 AGK2/3 HD 213558 M HD
ADS BDS A16021 M ADS BDS N IDS IDS 22272N4946A
HIC 111169
 
 
22313+5017 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 223114.39+501709.8 Mag 11.8 PmRA 3.00
PmDE 5.0 Calc delta mag 8.03 Calc coord yes
CCDM
Ccdm 22313+5017 RComp Comp B Note1
Note2 Discov num BU 703 DRAs -5.05 DDEs 12.3
R dRAs 90 Year 1925 Theta 294 Rho 36.3
Obs 8 Vmag 11.8 Sp PmNote *
PmRA -4 PmDE 31 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16021 M ADS BDS N N IDS IDS 22272N4946B
HIC