08212+3758 PTT 21

08^h 21^m 12.43^s +37° 58' 00.1" P.A. 182.00 sep 4.5 mag 10.45,10.73

Coord 2000	08212+3758	Discov num	PTT 21	Comp		Coord arcsec 2000	08 21 12.43 +37 58 00.1
Date first	1917	Date last	2018	Obs	15
Pa first	184	Pa last	182.1	P.A. Now (θ)	182.1°
Sep first	4.3	Sep last	4.518	Sep. Now (ρ)	4.518"
Mag pri	10.45	Mag sec	10.73	delta mag (ΔM)	0.28	Spectral class
Pri motion ra	-027	Sec motion ra	-027
Pri motion dec	+016	Sec motion dec	+016
Notes	T (Parallax indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lynx

Tycho2

2974-01849-1

Gaia DR2

908097996389550208

WDS 08212+3758 PTT 21 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Ptt1917	Ma -	Pettit, E.	1917AJ.....30..167P
Ptt1917		AJ 30, 167, 1917
Ptt1921	Ma -	Pettit, E.	1921AJ.....33..150P
Ptt1921		AJ 33, 150, 1921
Ptt1958	Zw -	Pettit, E.	1958AJ.....63..324P
Ptt1958		AJ 63, 324, 1958
Ptt1958		(Visual measures with wedge photometer on 60in Mt. Wilson reflector)
Ptt9999	Ma -	Pettit, E.	...................
Ptt9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
08212+3758	PTT 21		2004	8	183	4.5	10.45	10.73		D	082112.43+375800.1
08212+3758	PTT 21		2010	10	183	4.4	10.45	10.73			082112.43+375800.1
08212+3758	PTT 21		2017	12	183	4.5	10.45	10.73		W	082112.43+375800.1
08212+3758	PTT 21		2018	13	183	4.5	10.45	10.73		W	082112.43+375800.1

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WDS 08212+3758 PTT 21 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08212+3758 PTT 21 : MEASURES

No records found.

WDS 08212+3758 : VIRTUAL EYEPIECE

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WDS 08212+3758 : ALADIN DSS IMAGE @ 08^h 21^m 12.43^s +37° 58' 00.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08212+3758 PTT 21 : 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		08212+3758	PTT 21		182	4.5
Show		08213+3740	OSW 42		54	80.7	18
Show		08223+3814	COU2079		207	0.8	21
Show		08197+3737	PTT 20		185	2.6	33
Show		08235+3738	CVR 494		207	10.3	34
Show		08225+3728	CBL 251		51	32.9	35
Show		08201+3834	GIC 80		261	34.4	40
Show		08242+3737	ES 1732		83	18.7	42
Show		08178+3746	SKF 302		64	66.4	42
Show		08178+3738	BRT2219		9	3.2	46
Show		08179+3829	KPP2615		65	24.0	50
Show		08213+3851	COU2078		85	0.5	54
Show		08166+3813	KPP3743		99	1.6	57
Show		08214+3855	SKF 624		14	0.8	57
Show		08251+3723	STJ 76		154	1.2	58
Show		08250+3721	SKF 633		147	1.7	59
Show		08254+3723	HU 856		308	0.3	61
Show		08263+3733	STF1222		50	9.9	66
Show		08155+3809	TDS5651		67	0.4	69
Show		08213+3649	SLW 242		310	136.2	70
Show		08159+3829	STF1204		103	11.5	70
Show		08183+3859	STF1211	AB	162	0.4	70
Show		08183+3859	STF1211	AC	15	51.9	70
Show		08183+3859	STF1211	AD	134	123.2	70
Show		08156+3731	KPP1924		93	15.1	72
Show		08273+3802	HDS1205		74	0.5	73
Show		08259+3847	OSW 44		57	92.4	74
Show		08190+3642	SKF 618		204	1.4	81
Show		08272+3846	SKF 643		99	1.7	85
Show		08214+3923	HDS1187		6	0.2	86
Show		08149+3823	MLB 837		88	6.9	90
Show		08264+3906	COU2080	AB	122	0.4	92
Show		08264+3906	GII 160	Aa,Ab	106	0.1	92
Show		08180+3634	SKF 615		147	2.2	93
Show		08205+3932	SLW 239		149	8.8	95
Show		08216+3616	HU 852	AB	1	2.0	103
Show		08216+3616	GII 158	Aa,Ab	145	0.2	103
Show		08175+3623	GRV 756		147	42.0	105
Show		08256+3931	SKF 637		77	1.3	107
Show		08140+3902	HDS1173	AB	270	0.5	107
Show		08140+3902	GII 157	Aa,Ab	118	0.1	107
Show		08292+3852	COU2081		29	1.9	109
Show		08302+3815	ES 2012		88	5.6	110
Show		08212+3951	NSN 583		241	1.9	114
Show		08182+3947	LDS3783		148	265.9	115
Show		08115+3807	HU 1122		167	2.8	115
Show		08207+3602	SKF 623		340	1.2	116
Show		08148+3630	HU 1123		159	0.4	117
Show		08285+3634	SKF 648		235	6.3	121
Show		08170+3948	ES 1636		230	11.1	122
Show		08262+3608	ES 2160		343	3.5	125

WDS 08212+3758 : COMPONENTS

	A
B	pa=181.7° sep=4.52"

08212+3758 A

Componente originario normalizzato	AB		Coord arcsec 2000	082112.43+375800.1		Mag	10.45		PmRA	-27.00
PmDE	16.0		Tycho2	2974-01849-1

Tycho2

Tycho2	2974-01849-1	Pflag		RAmdeg	125.30177736	DEmdeg	37.96669768
PmRA	-37.4	PmDE	24.8	E RAmdeg	25	E DEmdeg	32
E pmRA	3.1	E pmDE	3.0	EpRAm	1990.65	EpDEm	1989.64
Num	3	Q RAmdeg	0.8	Q DEmdeg	1.4	Q pmRA	0.8
Q pmDE	1.5	BTmag	11.017	E BTmag	0.050	VTmag	10.449
E VTmag	0.042	Prox	45	TYC	T	HIP
CCDM		RAdeg	125.30188694	DEdeg	37.96663889	EpRA 1990	1.67
EpDE 1990	1.47	E RAdeg	24.9	E DEdeg	32.0	Posflg
Corr	0.2

CCDM

Ccdm	08212+3758	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.54	DDEs	-3.2
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	11.1	Sp		PmNote
PmRA		PmDE		Dm number	+38 1898	Cat1	BD
Name2		Cat2		HD		M HD
ADS BDS	A 6749	M ADS BDS		N IDS		IDS	08146N3817A
HIC

08212+3758 B

Componente originario normalizzato	AB		Coord arcsec 2000	082112.42+375755.6		Mag	10.73		PmRA	-27.00
PmDE	16.0		Tycho2	2974-01849-2		Calc delta mag	0.28		Calc coord	yes

Tycho2

Tycho2	2974-01849-2	Pflag		RAmdeg	125.30171237	DEmdeg	37.96540998
PmRA	-33.3	PmDE	5.8	E RAmdeg	30	E DEmdeg	39
E pmRA	3.1	E pmDE	3.0	EpRAm	1990.24	EpDEm	1988.67
Num	3	Q RAmdeg	0.2	Q DEmdeg	1.4	Q pmRA	0.3
Q pmDE	1.4	BTmag	11.185	E BTmag	0.056	VTmag	10.727
E VTmag	0.057	Prox	45	TYC	T	HIP
CCDM		RAdeg	125.30181000	DEdeg	37.96539611	EpRA 1990	1.69
EpDE 1990	1.49	E RAdeg	29.9	E DEdeg	39.6	Posflg
Corr	0.2

CCDM

Ccdm	08212+3758	RComp		Comp	B	Note1
Note2		Discov num	PTT 21	DRAs		DDEs
R dRAs		Year	1917	Theta	183	Rho	4.3
Obs	3	Vmag	11.1	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 6749	M ADS BDS		N IDS		IDS	08146N3817B
HIC