22236+5214 CHR 108 (Bet Lac)

22^h 23^m 33.64^s +52° 13' 46.2" P.A. 168.00 sep 0.2 mag 4.43, Sp G8.5III dist. 52.11 pc (169.98 l.y.)

Coord 2000	22236+5214	Discov num	CHR 108	Comp		Coord arcsec 2000	22 23 33.64 +52 13 46.2
Date first	1984	Date last	1984	Obs	1
Pa first	168	Pa last	167.8	P.A. Now (θ)	167.8°
Sep first	0.2	Sep last	0.229	Sep. Now (ρ)	0.229"
Mag pri	4.43	Mag sec		delta mag (ΔM)		Spectral class	G8.5III (yellow)
Pri motion ra	-013	Sec motion ra
Pri motion dec	-186	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	Bet Lac	Constellation	Lacerta	SAO	34395	HIP	110538
Tycho2	3619-04081-1	Gaia DR2	2001387556600372864	HD	212496	HR	8538
GC	31310	BD	BD+51 3358	Bayer	Beta Lacertae	Bayer name	Bet Lac
Flamsteed	3 Lacertae	Flamsteed name	3 Lac	FK5	844	Distance	52.11
Distance ly	169.98	Bayer greek	β Lac

WDS 22236+5214 CHR 108 (Bet Lac) : NOTES

discov_num	notes	refcode
CHR 108	bet Lac = 3 Lac
	NPOI Limb-darkened diameter 1.92 +/- 0.02 mas,	NOI1999
	R = 10.7 +/- 0.3 \rsun.
	NPOI Limb-darkened diameter 1.909 +/- 0.011 mas.	NOI2001a
	NPOI Limb-darkened diameter 1.957 +/- 0.037 mas, Sp = G8III,	NOI2018
	R = 10.96 +/- 0.23 \rsun, Teff = 4803 +/- 75 K, L = 57.7 +/- 3.0 \lsun,
	M = 0.97 +/- 0.21 \msun, Age = 6.76 +/- 3.59 Gyr.

REFERENCES

refcode	metd	author	reference
NOI1999	not j	Nordgren, T.E., Germain, M.E., Benson, J.A., Mozurkewich, D., Sudol, J.J., Elias,	1999AJ....118.3032N
NOI1999		II, N.M., Hajian, A.R., White, N.M., Hutter, D.J., Johnston, K.J., Gauss, F.S.,	.
NOI1999		Armstrong, J.T., Pauls, T.A. & Rickard, L.J.	.
NOI1999		AJ 118, 3032, 1999	.
NOI2001a	not j	Armstrong, J.T., Nordgren, T.E., Germain, M.E., Hajian, A.R., Hindsley, R.B.,	2001AJ....121..476A
NOI2001a		Hummel, C.A., Mozurkewich, D. & Thessin, R.N.	.
NOI2001a		AJ 121, 476, 2001	.
NOI2018	not j	Baines, E.K., Armstrong, J.T., Schmitt, H.R., Zavala, R.T., Benson, J.A., Hutter,	2018AJ....155...30B
NOI2018		D.J., Tycner, C. & van Belle, G.T.
NOI2018		AJ 155, 30, 2018

DISCOVERER

idgroup	discov	author
1	CHR	Center for High Ang. Res. Astronomy (speckle interferometry systems)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
22236+5214	CHR 108		1984	1	168	0.2	4.43		G8.5III	N	222333.64+521346.2

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

WDS 22236+5214 CHR 108 (Bet Lac) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 22236+5214 CHR 108 (Bet Lac) : MEASURES

No records found.

WDS 22236+5214 (Bet Lac) : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 22236+5214 (Bet Lac) : ALADIN DSS IMAGE @ 22^h 23^m 33.64^s +52° 13' 46.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 22236+5214 CHR 108 (Bet Lac) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		22236+5214	CHR 108		168	0.2
Show		22225+5230	TDT3495		111	0.9	19
Show		22205+5217	SCA 189		90	5.7	29
Show		22202+5216	SCA 188		87	7.9	32
Show		22238+5141	TDT3505		227	2.1	33
Show		22199+5217	HU 979		59	0.4	34
Show		22199+5218	SCA 187		188	5.3	36
Show		22215+5253	TDT3482		10	0.5	44
Show		22282+5155	AHD 6		45	27.9	48
Show		22197+5141	ES 835		193	5.1	49
Show		22288+5214	MCK 10		235	5.3	49
Show		22184+5201	ES 1114		258	6.2	49
Show		22240+5124	TDT3506		278	0.5	51
Show		22192+5144	ES 834		340	2.9	51
Show		22287+5151	BKO 775		25	2.7	53
Show		22191+5252	MCK 9		42	7.2	57
Show		22217+5112	HJ 1757		316	8.5	58
Show		22194+5130	TDT3462		77	0.7	59
Show		22293+5148	ES 1115		225	1.6	59
Show		22280+5132	COU2695		84	0.6	59
Show		22278+5258	A 1465		157	0.9	59
Show		22299+5225	LEO 53	AB	298	13.0	60
Show		22299+5225	STT 472	AC	357	12.3	60
Show		22297+5149	TDT3547		175	1.0	62
Show		22261+5112	TDT3522		205	1.2	67
Show		22194+5309	ES 1020		256	1.8	68
Show		22200+5115	HU 980		41	0.9	68
Show		22213+5109	VBS 36	AB	8	12.2	68
Show		22213+5109	VBS 36	AC	103	46.9	68
Show		22187+5122	ES 1179		107	5.1	69
Show		22214+5324	A 1462	AB	281	0.2	74
Show		22214+5324	A 1462	AB,C	19	9.3	74
Show		22180+5309	ES 1018		39	4.7	75
Show		22274+5320	TDT3530		115	0.7	76
Show		22156+5152	HU 696		240	0.3	77
Show		22285+5110	OSO 179	AB	323	11.7	79
Show		22285+5110	OSO 179	AC	77	15.6	79
Show		22285+5110	OSO 179	AD	358	17.5	79
Show		22285+5110	OSO 179	AE	45	17.8	79
Show		22285+5110	OSO 179	AF	45	24.5	79
Show		22285+5110	OSO 179	AG	80	23.4	79
Show		22300+5122	HU 1318	AB	13	1.0	79
Show		22300+5122	GII 35	AB,C	192	5.8	79
Show		22319+5237	HDS3195		344	0.1	80
Show		22323+5228	TDT3576		113	1.5	82
Show		22319+5148	TDT3572		262	0.5	82
Show		22153+5245	TDT3423		235	0.5	82
Show		22323+5156	ES 1116		134	7.1	83
Show		22209+5334	TDT3475		118	0.3	84
Show		22242+5050	TDT3509		138	2.4	85
Show		22302+5318	KPP2343		145	20.0	89

WDS 22236+5214 : COMPONENTS

	A
B	pa=172.5° sep=0.23"

22236+5214 A

Componente originario normalizzato	AB	Name	Bet Lac	Coord arcsec 2000	222333.64+521346.2	Mag	4.43
Spectral class	G8.5III (yellow)	PmRA	-13.00	PmDE	-186.0	SAO	34395
HIP	110538	Tycho2	3619-04081-1	HD	212496	HR	8538
GC	31310	BD	BD+51 3358	Bayer	Beta Lacertae	Bayer name	Bet Lac
Flamsteed	3 Lacertae	Flamsteed name	3 Lac	FK5	844

Tycho2

Tycho2	3619-04081-1	Pflag		RAmdeg	335.89009757	DEmdeg	52.22904846
PmRA	-13.2	PmDE	-185.9	E RAmdeg	3	E DEmdeg	3
E pmRA	0.7	E pmDE	0.8	EpRAm	1991.40	EpDEm	1991.40
Num	17	Q RAmdeg	0.7	Q DEmdeg	0.7	Q pmRA	0.6
Q pmDE	0.8	BTmag	5.706	E BTmag	0.014	VTmag	4.542
E VTmag	0.009	Prox	999	TYC	T	HIP	110538
CCDM		RAdeg	335.89014722	DEdeg	52.22948028	EpRA 1990	1.70
EpDE 1990	1.64	E RAdeg	3.3	E DEdeg	3.3	Posflg
Corr	0.1

SAO

SAO	34395	DelFlag		RA1950		PmRA1950	-0.0018
DE1950		PmDE1950	-0.183	Vmag	4.6	SpType	K0
Double code		Source	74	CatNum	844	DM	BD+51 3358
DMcomp		BDsup		HD	212496	M HD	0
GC	31310	RA1950rad	5.85378462	DE1950rad	0.90718818	PmRA2000	-0.0015
PmDE2000	-0.187

Hipparcos

Catalog	H	HIP	110538	Proxy		RAhms	22 23 33.64
DEdms	+52 13 46.2	Vmag	4.42	VarFlag		R Vmag	H
RAdeg	335.89	DEdeg	52.2295	AstroRef		Plx	19.21
CCDM		N CCDM		Nsys		Ncomp	1
MultFlag		Source		Qual	S	M HIP
Theta		Rho		HD	212496	BD	BD+51 3358
CD		CP		Dm number	+51 3358	VIred	1.03
SpType	G9III	R SpType		Coord arcsec 2000	222333.64+521346.2

Hipparcos 2

HIP	110538	Sn	5	So	0	Nc	1
RArad	5.8623890691	DErad	0.9115767363	Plx	19.19	PmRA	-13.25
PmDE	-186.77	E RArad	0.12	E DErad	0.12	E Plx	0.16
E pmRA	0.13	E pmDE	0.13	Hpmag	4.5867	E Hpmag	0.0005
SHp	0.004	VA	0	BV	1.015	E BV	0.005
VI	1.03

CCDM

Ccdm	22236+5214	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.38	DDEs	-15.4
R dRAs	81	Year		Theta		Rho
Obs	2	Vmag	4.4	Sp	G8	PmNote	@
PmRA	-13	PmDE	-186	Dm number	+51 3358	Cat1	BD
Name2	+51 1664	Cat2	AGK2/3	HD	212496	M HD
ADS BDS		M ADS BDS	N	N IDS	W	IDS	22236+5214A
HIC	110538

22236+5214 B

Componente originario normalizzato

Coord arcsec 2000

222333.64+521346.0

Calc delta mag

4.43

Calc coord

yes

CCDM

Ccdm	22236+5214	RComp		Comp	B	Note1
Note2		Discov num	CHR 108	DRAs		DDEs
R dRAs		Year	1984	Theta	168	Rho	0.2
Obs	1	Vmag		Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS	W	IDS	22236+5214B
HIC	110538