20493+0156 OSO 136

20^h 49^m 20.61^s +01° 55' 30.1" P.A. 109.00 sep 12.8 mag 10.12,15.40 Sp G5

Coord 2000	20493+0156	Discov num	OSO 136	Comp		Coord arcsec 2000	20 49 20.61 +01 55 30.1
Date first	1951	Date last	2000	Obs	6
Pa first	144	Pa last	109.3	P.A. Now (θ)	109.3°
Sep first	16.3	Sep last	12.774	Sep. Now (ρ)	12.774"
Mag pri	10.12	Mag sec	15.40	delta mag (ΔM)	5.28	Spectral class	G5 (yellow)
Pri motion ra	-043	Sec motion ra
Pri motion dec	-192	Sec motion dec
Notes	N U (See Notes, Proper motion indicates non-physical)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Tycho2

0516-01282-1

Gaia DR2

4228847653164147456

WDS 20493+0156 OSO 136 : NOTES

discov_num	notes	refcode
OSO 136	G025-005. Not a common proper motion pair, based on color and
	comparison with POSS2 red plates.	Oso2004

REFERENCES

refcode	metd	author	reference
Oso2004	C j	Zapatero Osorio, M.R. & Martin, E.L.	2004A&A...419..167Z
Oso2004	+Pa	A&A 419, 167, 2004

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20493+0156	OSO 136		2000	3	110	12.7	10.12	15.40		N D	204920.61+015530.1

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WDS 20493+0156 OSO 136 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20493+0156 OSO 136 : MEASURES

No records found.

WDS 20493+0156 : VIRTUAL EYEPIECE

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WDS 20493+0156 : ALADIN DSS IMAGE @ 20^h 49^m 20.61^s +01° 55' 30.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20493+0156 OSO 136 : 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		20493+0156	OSO 136		109	12.8
Show		20485+0143	RST5471		14	0.6	18
Show		20510+0210	BAL1574		21	18.3	29
Show		20510+0211	BAL1573		225	5.6	29
Show		20504+0222	GWP3004		12	15.6	31
Show		20481+0224	BAL2035		304	12.9	33
Show		20510+0227	BAL2037		2	6.4	41
Show		20521+0205	A 2286	AB	5	0.0	44
Show		20521+0205	A 2286	AB,C	48	1.1	44
Show		20521+0225	TDT2592		183	1.5	51
Show		20525+0130	BAL1575		175	16.6	54
Show		20459+0211	GRV 377		354	27.3	54
Show		20475+0105	BAL1220		193	21.1	58
Show		20455+0201	BAL1571		307	6.8	58
Show		20509+0101	TDT2577	Aa,Ab	104	0.5	60
Show		20509+0101	RST5472	AB	77	3.7	60
Show		20472+0247	UC 4286		114	31.3	61
Show		20486-0055	BAL 616		206	2.4	62
Show		20481+0053	CVR 873		324	12.3	66
Show		20537+0154	RST5473		20	3.0	66
Show		20471+0253	TDT2536		352	1.6	67
Show		20531+0104	TDT2604		87	0.7	77
Show		20514-0041	SKF1771		13	1.2	81
Show		20510-0038	J 1711		222	8.4	84
Show		20544+0112	LDS4860		138	3.4	88
Show		20525+0310	GWP3009		237	76.6	89
Show		20434+0204	GWP2989		131	44.7	90
Show		20535+0300	HEI 819		135	0.2	90
Show		20528+0311	HLD 43		9	2.2	93
Show		20523-0030	BAL 927		285	4.5	97
Show		20440+0049	HJ 923		62	7.0	98
Show		20508-0020	BAL 926		239	2.4	99
Show		20472+0021	CBL 529		43	49.8	100
Show		20427+0217	GRV 370		313	25.4	102
Show		20485+0012	UC 4295		196	69.5	105
Show		20549+0051	SKF1772		334	2.5	106
Show		20441+0044	BAL1218		229	3.4	107
Show		20433+0059	SLN 39		233	19.0	107
Show		20539-0035	J 2328		351	3.2	108
Show		20546-0042	A 877		9	0.6	109
Show		20454+0023	A 876		68	0.6	110
Show		20431+0253	AG 262		94	5.7	110
Show		20495-0006	BAL 925		175	19.7	111
Show		20478+0007	SKF2612		63	1.0	112
Show		20418+0156	GWP2986		350	16.1	113
Show		20445+0029	BAL1219		214	17.3	113
Show		20543+0321	BAL2039		28	14.7	114
Show		20419+0218	UC 252		164	62.6	114
Show		20472-0006	BAL 924		128	15.4	115
Show		20529+0337	BAL2547		220	8.5	115
Show		20466+0344	BAL2545		281	11.8	117

WDS 20493+0156 : COMPONENTS

	A
B	pa=109.3° sep=12.77"

20493+0156 A

Componente originario normalizzato	AB		Coord arcsec 2000	204920.61+015530.1		Mag	10.12		Spectral class	G5 (yellow)
PmRA	-43.00		PmDE	-192.0		Tycho2	0516-01282-1

Tycho2

Tycho2	0516-01282-1	Pflag		RAmdeg	312.33590862	DEmdeg	1.92503547
PmRA	-43.6	PmDE	-189.2	E RAmdeg	19	E DEmdeg	26
E pmRA	1.3	E pmDE	1.3	EpRAm	1988.89	EpDEm	1985.56
Num	4	Q RAmdeg	1.8	Q DEmdeg	0.3	Q pmRA	1.8
Q pmDE	0.2	BTmag	10.857	E BTmag	0.042	VTmag	10.183
E VTmag	0.033	Prox	999	TYC	T	HIP
CCDM		RAdeg	312.33600944	DEdeg	1.92549639	EpRA 1990	1.69
EpDE 1990	1.23	E RAdeg	19.1	E DEdeg	26.7	Posflg
Corr	0.0

20493+0156 B

Componente originario normalizzato	AB		Coord arcsec 2000	204921.41+015525.9		Mag	15.4		Calc delta mag	5.28
Calc coord	yes