20020-3816 TDT 1925

20^h 01^m 58.78^s -38° 15' 32.6" P.A. 66.00 sep 0.5 mag 11.55,11.59 Sp OB-

Coord 2000	20020-3816	Discov num	TDT1925	Comp		Coord arcsec 2000	20 01 58.78 -38 15 32.6
Date first	1991	Date last	1991	Obs	1
Pa first	66	Pa last	65.7	P.A. Now (θ)	65.7°
Sep first	0.5	Sep last	0.46	Sep. Now (ρ)	0.46"
Mag pri	11.55	Mag sec	11.59	delta mag (ΔM)	0.04	Spectral class	OB- (blue)
Pri motion ra	+000	Sec motion ra	+000
Pri motion dec	+003	Sec motion dec	+003
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

7947-00149-1

Gaia DR2

6690919238777783552

WDS 20020-3816 TDT 1925 : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20020-3816	TDT1925		1991	1	66	0.5	11.55	11.59			200158.78-381532.6

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WDS 20020-3816 TDT 1925 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20020-3816 TDT 1925 : MEASURES

No records found.

WDS 20020-3816 : VIRTUAL EYEPIECE

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WDS 20020-3816 : ALADIN DSS IMAGE @ 20^h 01^m 58.78^s -38° 15' 32.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20020-3816 TDT 1925 : 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		20020-3816	TDT1925		66	0.5
Show		20012-3835	HDO 294		33	1.3	22
Show		20006-3836	KPP 450		104	3.7	27
Show		19596-3813	RST2126		141	2.0	28
Show		20003-3742	HDO 293		210	23.6	40
Show		20002-3736	TDT1908		277	2.4	46
Show		20064-3829	RST2132		119	0.4	55
Show		20013-3722	SKF2084		12	17.4	55
Show		20057-3743	HDS2865		185	0.1	55
Show		19562-3820	SEE 398		305	12.2	69
Show		20022-3936	UC 4068		138	34.2	81
Show		20008-3938	WG 249		125	13.4	84
Show		20027-3939	RST2131		301	0.5	84
Show		20090-3843	SEE 407		259	3.3	88
Show		20035-3636	B 463	AB	200	1.3	102
Show		20035-3636	SEE 402	AC	312	24.6	102
Show		20098-3732	B 2883		130	8.3	103
Show		20081-3929	RST2134		50	0.3	104
Show		19578-3644	JSP 808		15	0.5	105
Show		20108-3845	YMG 90		343	1.4	109
Show		20118-3825	TOK 904		315	4.2	109
Show		20079-3951	CRU9011	AB	185	82.5	118
Show		20079-3951	CRU9011	AC	96	80.1	118
Show		20069-3633	JSP 809		74	0.4	118
Show		20079-3952	UC 4093		108	23.5	119
Show		20123-3826	SKF2085		2	18.8	123
Show		19581-4012	CRU9010		46	13.1	125
Show		20114-3715	B 470		253	3.2	128
Show		19569-3623	B 456	AB	50	0.7	129
Show		19569-3623	SEE 399	AB,C	31	5.0	129
Show		20112-3926	HDS2878		37	0.3	129
Show		19517-3730	B 2055		126	0.6	131
Show		20134-3821	B 472		24	1.0	136
Show		19597-4030	HJ 5159		30	27.1	138
Show		20047-3600	I 9021		12	10.4	139
Show		19587-4029	RST2125		91	0.6	140
Show		19580-4031	SKF1095		104	48.9	144
Show		20053-3557	KPP 454		215	4.9	144
Show		19567-3606	JSP 807		317	3.3	145
Show		20055-4034	UC 4080		89	18.9	145
Show		19511-3926	TDT1801		253	0.5	146
Show		19510-3925	RST2121		249	1.2	146
Show		20068-4031	WG 250		330	16.7	147
Show		19507-3923	KPP1759		166	13.6	148
Show		19550-3612	HDS2838		286	0.2	149
Show		20041-3548	NSN 484		258	6.0	150
Show		19572-4035	RST2124		74	3.0	150
Show		20134-3927	TDT2102		269	0.5	152
Show		19509-3936	UC 4037	AB	179	100.4	152
Show		19512-3654	HJ 5151		357	7.7	153
Show		20123-3956	WG 251		306	9.6	157

WDS 20020-3816 : COMPONENTS

	A
B	pa=60.1° sep=0.38"

20020-3816 A

Componente originario normalizzato	AB		Coord arcsec 2000	200158.78-381532.6		Mag	11.55		Spectral class	OB (blue)
PmRA	0.00		PmDE	3.0		Tycho2	7947-00149-1

Tycho2

Tycho2	7947-00149-1	Pflag		RAmdeg	300.49498957	DEmdeg	-38.25901095
PmRA	-0.2	PmDE	2.9	E RAmdeg	21	E DEmdeg	29
E pmRA	1.8	E pmDE	1.8	EpRAm	1989.82	EpDEm	1987.51
Num	5	Q RAmdeg	1.2	Q DEmdeg	0.8	Q pmRA	1.2
Q pmDE	0.8	BTmag	10.511	E BTmag	0.036	VTmag	10.833
E VTmag	0.067	Prox	999	TYC	T	HIP
CCDM		RAdeg	300.49498889	DEdeg	-38.25901750	EpRA 1990	1.77
EpDE 1990	1.52	E RAdeg	22.4	E DEdeg	31.3	Posflg
Corr	-0.2

20020-3816 B

Componente originario normalizzato	AB		Coord arcsec 2000	200158.81-381532.4		Mag	11.59		PmRA	0.00
PmDE	3.0		Calc delta mag	0.04		Calc coord	yes