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Doubles in session


Current system
22468+4420
TNN 17 AD


Nearby doubles
24' : 22469+4354
J 3180

27' : 22444+4416
TDT3682

27' : 22470+4446
A 189AB

35' : 22451+4449
HJ 1806

37' : 22438+4403
TDT3677

42' : 22492+4453
TDT3728

42' : 22504+4436
TDT3741

48' : 22430+4443
ES 1348

49' : 22511+4405
A 415

50' : 22426+4401
A 414AB

58' : 22424+4347
ES 1471

59' : 22445+4513
HDS3228

63' : 22444+4516
TDT3681

64' : 22413+4357
TDT3654

65' : 22456+4524
LDS4995AB

67' : 22530+4411
ES 1472

67' : 22485+4524
ARN 99

68' : 22424+4333
TDT3663

69' : 22487+4526
KPP3386

71' : 22527+4347
COU2244

74' : 22494+4528
HJ 1815

74' : 22528+4456
TDS1193

76' : 22401+4401
TDS1178

78' : 22537+4445
BU 382AB

79' : 22541+4433
HDS3256

80' : 22478+4539
TDT3709



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.

22468+4420 TNN 17 AD

 
 
22h 46m 49.55s +44° 20' 01.1" P.A. 116.00 sep 5.8 mag 10.09, Sp M4.5V:e dist. 5.12 pc (16.7 l.y.)
 
 
Coord 2000 22468+4420 Discov num TNN  17 Comp AD Coord arcsec 2000 22 46 49.55 +44 20 01.1
Date first 2005 Date last 2005 Obs 1
Pa first 116 Pa last 115.6 P.A. Now (θ) 115.6°
Sep first 5.8 Sep last 5.78 Sep. Now (ρ) 5.78"
Mag pri 10.09 Mag sec delta mag (ΔM) Spectral class M4.5V:e (red)
Pri motion ra -705 Sec motion ra
Pri motion dec -459 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
22468+4420 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show EV Lac 22 46 50 +44 20 01 HER 5 AB 2011 17 48 37.5 10.47 11.90 1.43
Show 22 46 50 +44 20 01 HER 5 AC 2002 6 46 29.7 10.20 12.90 2.70
Show 22 46 50 +44 20 01 TNN 17 AD 2005 1 116 5.8 10.09 <===
Show 22 46 50 +44 20 01 TNN 17 AE 2005 1 176 6.5 10.09
Show 22 46 52 +44 20 22 HER 5 BC 2016 9 254 1.2 12.40 12.90 0.50
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name EV Lac Constellation Lacerta HIP 112460 Tycho2 3226-02288-1
Gaia DR2 1934263333784275328 GL Gl 873 BD BD+43 4305 Distance 5.12
Distance ly 16.7
 
 
WDS 22468+4420 TNN 17 AD : NOTES
 
 
discov_num notes refcode
HER 5 A,BC: The flare star EV Lac.
 
 
REFERENCES
 
 
refcode metd author reference
Her1950 Pa - Herbig, G.H. 1950ApJ...111...15H
Her1950 ApJ 111, 15, 1950
Her1954a Pa - Herbig, G.H. 1954PASP...66...19H
Her1954a PASP 66, 19, 1954
Her1954b Pa j Herbig, G.H. 1954ApJ...119..483H
Her1954b ApJ 119, 483, 1954
Her1958 Pa j Herbig, G.H. 1958ApJ...128..259H
Her1958 ApJ 128, 259, 1958
Her1958 (Default date = decade of publication used for measures without given dates.)
Her1961 - Rach & Herbig 1961ApJ...133..143R
Her1961 ApJ 133, 143, 1961
Her1962 Pa - Herbig, G.H. 1962AdA&A...1...47H
Her1962 Advances Astron. Astrophys. 1, 47, 1962
Her1962 (Exact dates, telescopes, and techniques not given. Default date = decade of
Her1962 publication added.)
Her1967 Xr - Herbig, G.H. 1967PASP...79..502H
Her1967 PASP 79, 502, 1967
Her1972 Xr j Herbig, G.H. & Kameswara Rao, N. 1972ApJ...174..401H
Her1972 +Pa ApJ 174, 401, 1972
Her1979 Pa - Jones, B. & Herbig, G.H. 1979AJ.....84.1872J
Her1979 +C AJ 84, 1872, 1979
Her1988 Xr ? Herbig, G.H. & Bell, K.R. 1988cels.book.....H
Her1988 Lick Obs. Bull 1111, 1988
Her1998 C - Herbig, G.H. 1998ApJ...497..736H
Her1998 ApJ 497, 736, 1998
Her9999 Ma - Herbig, G.H. ...................
Her9999 Unpublished, manuscript or reference not found.
Tnn2010 A j Tanner, A.M., Gelino, C.R., & Law, N.M. 2010PASP..122.1195T
Tnn2010 PASP 122, 1195, 2010
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22468+4420 TNN 17 AD 2005 1 116 5.8 10.09   M4.5V:e N 224649.73+442002.3

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

 
 
WDS 22468+4420 TNN 17 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22468+4420 TNN 17 AD : MEASURES
 
 
No records found.

 
 
WDS 22468+4420 : VIRTUAL EYEPIECE
 
 

22468+4420 HER 5A mag 10.47 Sp M4.5V:e 22468+4420 HER 5B sep 29.9 P.A. 45.30 mag 12.4 22468+4420 HER 5C sep 25.6 P.A. 36.80 mag 12.9 22468+4420 TNN 17D sep 4.5 P.A. 123.80 22468+4420 TNN 17E sep 6.5 P.A. 176.80 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 22468+4420 : ALADIN DSS IMAGE @ 22h 46m 49.55s +44° 20' 01.1"
 
 
 
 
WDS 22468+4420 TNN 17 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22468+4420 TNN 17AD distance=0' 22468+4420 HER 5BC distance=1' 22469+4354 J 3180 distance=24' 22444+4416 TDT3682 distance=27' 22470+4446 A 189AB distance=27' 22470+4446 A 189AC distance=27' 22451+4449 HJ 1806 distance=35' 22438+4403 TDT3677 distance=37' 22492+4453 TDT3728 distance=42' 22504+4436 TDT3741 distance=42' 22430+4443 ES 1348 distance=48' 22511+4405 A 415 distance=49' 22426+4401 A 414BC distance=50' 22426+4401 A 414AB distance=50' 22426+4401 A 414AC distance=50' 22424+4347 ES 1471 distance=58' 22445+4513 HDS3228 distance=59' 22444+4516 TDT3681 distance=63' 22413+4357 TDT3654 distance=64' 22456+4524 HDS3231Aa,Ab distance=65' 22456+4524 LDS4995AB distance=65' 22530+4411 ES 1472 distance=67' 22485+4524 ARN 99 distance=67' 22424+4333 TDT3663 distance=68' 22487+4526 KPP3386 distance=69' 22527+4347 COU2244 distance=71' 22494+4528 HJ 1815 distance=74' 22528+4456 TDS1193 distance=74' 22401+4401 TDS1178 distance=76' 22537+4445 BU 382AB distance=78' 22537+4445 HJ 1828AB,C distance=78' 22541+4433 HDS3256 distance=79' 22478+4539 TDT3709 distance=80' 22497+4535 TDT3730AB distance=82' 22520+4319 BU 451AB distance=84' 22520+4319 BU 451AC distance=84' 22520+4319 BU 451AD distance=84' 22520+4319 FOX 270AE distance=84' 22402+4332 TDS1181 distance=86' 22388+4419 BAG 15Ba,Bb distance=87' 22388+4419 HO 295AB distance=87' 22411+4524 TDT3652 distance=89' 22551+4427 HDS3260 distance=89' 22476+4549 TDT3708 distance=90' 22430+4540 TDT3673 distance=90' 22549+4445 TDT3785 distance=90' 22386+4358 BVD 276 distance=92' 22416+4533 BVD 277 distance=92' 22553+4354 COU2245 distance=95' 22473+4555 TDT3706 distance=96' 22381+4353 BNA 4AB distance=98' 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 22468+4420 HER 5 AB 48 37.5
Show 22468+4420 HER 5 AC 46 29.7
Show 22468+4420 TNN 17 AD 116 5.8
Show 22468+4420 TNN 17 AE 176 6.5
Show 22468+4420 HER 5 BC 254 1.2 1
Show 22469+4354 J 3180 151 6.5 24
Show 22444+4416 TDT3682 2 1.2 27
Show 22470+4446 A 189 AB 26 1.0 27
Show 22470+4446 A 189 AC 124 24.6 27
Show 22451+4449 HJ 1806 334 7.1 35
Show 22438+4403 TDT3677 230 0.5 37
Show 22492+4453 TDT3728 1 2.3 42
Show 22504+4436 TDT3741 281 0.5 42
Show 22430+4443 ES 1348 101 2.5 48
Show 22511+4405 A 415 331 4.3 49
Show 22426+4401 A 414 BC 85 25.3 50
Show 22426+4401 A 414 AB 14 1.7 50
Show 22426+4401 A 414 AC 81 26.2 50
Show 22424+4347 ES 1471 79 4.1 58
Show 22445+4513 HDS3228 348 0.2 59
Show 22444+4516 TDT3681 283 2.9 63
Show 22413+4357 TDT3654 6 0.4 64
Show 22456+4524 HDS3231 Aa,Ab 341 1.0 65
Show 22456+4524 LDS4995 AB 10 5.2 65
Show 22530+4411 ES 1472 34 2.4 67
Show 22485+4524 ARN 99 229 37.5 67
Show 22424+4333 TDT3663 0.9 68
Show 22487+4526 KPP3386 112 25.7 69
Show 22527+4347 COU2244 290 0.2 71
Show 22494+4528 HJ 1815 31 10.1 74
Show 22528+4456 TDS1193 129 1.1 74
Show 22401+4401 TDS1178 2 1.6 76
Show 22537+4445 BU 382 AB 244 0.7 78
Show 22537+4445 HJ 1828 AB,C 29.3 78
Show 22541+4433 HDS3256 295 0.6 79
Show 22478+4539 TDT3709 61 1.8 80
Show 22497+4535 TDT3730 AB 124 0.5 82
Show 22520+4319 BU 451 AB 159 23.6 84
Show 22520+4319 BU 451 AC 305 106.4 84
Show 22520+4319 BU 451 AD 230 140.9 84
Show 22520+4319 FOX 270 AE 347 58.7 84
Show 22402+4332 TDS1181 179 0.9 86
Show 22388+4419 BAG 15 Ba,Bb 148 0.0 87
Show 22388+4419 HO 295 AB 336 0.3 87
Show 22411+4524 TDT3652 108 0.6 89
Show 22551+4427 HDS3260 332 0.1 89
Show 22476+4549 TDT3708 149 0.6 90
Show 22430+4540 TDT3673 317 0.4 90
Show 22549+4445 TDT3785 69 1.7 90
Show 22386+4358 BVD 276 187 33.5 92
Show 22416+4533 BVD 277 174 9.6 92

 
 
WDS 22468+4420 : COMPONENTS
 
 
  A B C D
B pa=45.3°
sep=29.87"
 
C pa=36.8°
sep=25.64"
pa=265.4°
sep=5.89"
 
D pa=123.8°
sep=4.49"
pa=216.7°
sep=29.31"
pa=206.8°
sep=25.80"
 
E pa=176.8°
sep=6.46"
pa=217.3°
sep=34.49"
pa=209.1°
sep=30.87"
pa=220.4°
sep=5.19"
 
 
22468+4420 A
 
 
Var name EV Lac Coord arcsec 2000 224649.55+442001.1 Mag 10.47 Spectral class M4.5V:e (red)
PmRA -705.00 PmDE -459.0 Tycho2 3226-02288-1
Tycho2
Tycho2 3226-02288-1 Pflag RAmdeg 341.70721395 DEmdeg 44.33399909
PmRA -705.6 PmDE -460.3 E RAmdeg 22 E DEmdeg 19
E pmRA 1.5 E pmDE 1.3 EpRAm 1985.98 EpDEm 1987.38
Num 8 Q RAmdeg 0.8 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.9 BTmag 11.974 E BTmag 0.072 VTmag 10.470
E VTmag 0.030 Prox 999 TYC T HIP 112460
CCDM RAdeg 341.70950417 DEdeg 44.33504500 EpRA 1990 1.67
EpDE 1990 1.78 E RAdeg 27.6 E DEdeg 22.3 Posflg
Corr 0.2
CCDM
Ccdm 22468+4420 RComp Comp A Note1
Note2 @ Discov num DRAs 1.54 DDEs 1.8
R dRAs 65 Year Theta Rho
Obs 3 Vmag 10.6 Sp M2 PmNote
PmRA -702 PmDE -463 Dm number +43 4305 Cat1 BD
Name2 +44 2119 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 22426N4349A
HIC 112460
 
 
22468+4420 B
 
 
Coord arcsec 2000 224651.53+442022.1 Coord calc 224651.53+442022.1 Mag 12.4 PmRA 5.00
PmDE -3.0 Calc delta mag 1.93
CCDM
Ccdm 22468+4420 RComp Comp B Note1
Note2 Discov num HER DRAs 3.70 DDEs 22.3
R dRAs 10 Year 1949 Theta 260 Rho 10.0
Obs 2 Vmag 13.0 Sp PmNote *
PmRA 24 PmDE 6 Dm number Cat1
Name2 +44 2118 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 22426N4349B
HIC 112465
 
 
22468+4420 C
 
 
Coord arcsec 2000 224650.98+442021.6 Mag 12.9 Calc delta mag 2.43 Calc coord yes
CCDM
Ccdm 22468+4420 RComp B Comp C Note1
Note2 Discov num HER DRAs DDEs
R dRAs Year 1949 Theta 260 Rho 0.5
Obs 2 Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 22426N4349C
HIC 112465
 
 
22468+4420 D
 
 
Coord arcsec 2000 224649.90+441958.6 HIP 112460 BD BD+43 4305 Calc delta mag 10.47
Calc coord yes
Hipparcos
Catalog H HIP 112460 Proxy RAhms 22 46 50.31
DEdms +44 20 06.4 Vmag 10.29 VarFlag R Vmag H
RAdeg 341.71 DEdeg 44.3351 AstroRef Plx 198.07
CCDM 22468+4420 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD BD BD+43 4305
CD CP Dm number +43 4305 VIred 2.89
SpType M4.5Ve R SpType Coord arcsec 2000 224650.31+442006.4
Hipparcos 2
HIP 112460 Sn 5 So 0 Nc 1
RArad 5.9639578208 DErad 0.7737936062 Plx 195.22 PmRA -705.36
PmDE -460.72 E RArad 1.08 E DErad 1.17 E Plx 1.87
E pmRA 1.12 E pmDE 1.33 Hpmag 10.2245 E Hpmag 0.0034
SHp 0.054 VA 0 BV 1.54 E BV 0.51
VI 2.89
 
 
22468+4420 E
 
 
Coord arcsec 2000 224649.58+441954.6 Calc delta mag 10.47 Calc coord yes