20475+0105 BAL 1220

20^h 47^m 31.89^s +01° 04' 32.4" P.A. 193.00 sep 21.1 mag 11.64,12.86

Coord 2000	20475+0105	Discov num	BAL1220	Comp		Coord arcsec 2000	20 47 31.89 +01 04 32.4
Date first	1896	Date last	2015	Obs	10
Pa first	198	Pa last	192.9	P.A. Now (θ)	192.9°
Sep first	19.6	Sep last	21.095	Sep. Now (ρ)	21.095"
Mag pri	11.64	Mag sec	12.86	delta mag (ΔM)	1.22	Spectral class
Pri motion ra	-011	Sec motion ra	-003
Pri motion dec	-013	Sec motion dec	-030
Notes

rPM=0.623

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquarius

Tycho2

0512-01461-1

Gaia DR2

4228637577723532928

WDS 20475+0105 BAL 1220 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bal1924	Ma -	Baillaud, R.	1924JO......7..117B
Bal1924		J. Obs. 7, 117, 1924
Bal1925	Ma -	Baillaud, R.	1925JO......8...53B
Bal1925		J. Obs. 8, 53, 1925
Bal1925b	Ma j	Baillaud, R.	1925JO......8...56B
Bal1925b		J. Obs. 8, 56, 1925
Bal1926	Ma -	Baillaud, R.	1926JO......9..129P
Bal1926		J. Obs. 9, 129, 1926
Bal1937A	Ma -	Baillaud, R.	1937AnLei..18....1S
Bal1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944	C -	Baillaud, R.	1944AnBes...3...33B
Bal1944	+Pa	Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944	+Po

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20475+0105	BAL1220		2000	3	193	20.9	11.70	12.35		D	204731.89+010432.4
20475+0105	BAL1220		2013	5	193	21.0	11.64	12.86			204731.89+010432.4
20475+0105	BAL1220		2015	7	193	21.1	11.64	12.86			204731.89+010432.4

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

WDS 20475+0105 BAL 1220 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20475+0105 BAL 1220 : MEASURES

No records found.

WDS 20475+0105 : 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 20475+0105 : ALADIN DSS IMAGE @ 20^h 47^m 31.89^s +01° 04' 32.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20475+0105 BAL 1220 : NEIGHBORHOODS

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		20475+0105	BAL1220		193	21.1
Show		20481+0053	CVR 873		324	12.3	14
Show		20486-0055	BAL 616		206	2.4	19
Show		20485+0143	RST5471		14	0.6	42
Show		20472+0021	CBL 529		43	49.8	44
Show		20509+0101	TDT2577	Aa,Ab	104	0.5	51
Show		20509+0101	RST5472	AB	77	3.7	51
Show		20454+0023	A 876		68	0.6	52
Show		20440+0049	HJ 923		62	7.0	55
Show		20485+0012	UC 4295		196	69.5	55
Show		20441+0044	BAL1218		229	3.4	56
Show		20445+0029	BAL1219		214	17.3	58
Show		20478+0007	SKF2612		63	1.0	58
Show		20493+0156	OSO 136		109	12.8	58
Show		20472-0006	BAL 924		128	15.4	60
Show		20510-0038	J 1711		222	8.4	61
Show		20514-0041	SKF1771		13	1.2	64
Show		20433+0059	SLN 39		233	19.0	64
Show		20455+0201	BAL1571		307	6.8	64
Show		20508-0020	BAL 926		239	2.4	67
Show		20495-0006	BAL 925		175	19.7	67
Show		20459+0211	GRV 377		354	27.3	72
Show		20425+0100	TDT2487		302	1.1	76
Show		20525+0130	BAL1575		175	16.6	78
Show		20481+0224	BAL2035		304	12.9	79
Show		20506+0001	TDT2572		89	0.5	79
Show		20523-0030	BAL 927		285	4.5	80
Show		20435+0011	GRV1233		104	10.5	81
Show		20434-0012	J 3346		106	1.8	83
Show		20510+0210	BAL1574		21	18.3	84
Show		20531+0104	TDT2604		87	0.7	84
Show		20510+0211	BAL1573		225	5.6	85
Show		20434+0204	GWP2989		131	44.7	87
Show		20504+0222	GWP3004		12	15.6	89
Show		20414+0105	GWP2985		352	30.4	92
Show		20521+0205	A 2286	AB	5	0.0	93
Show		20521+0205	A 2286	AB,C	48	1.1	93
Show		20420+0021	UC 4262		221	44.1	94
Show		20510+0227	BAL2037		2	6.4	98
Show		20418+0156	GWP2986		350	16.1	100
Show		20416+0017	UC 4258	AB	3	46.5	102
Show		20414+0147	BAL1570		12	5.1	102
Show		20427+0217	GRV 370		313	25.4	103
Show		20544+0112	LDS4860		138	3.4	103
Show		20472+0247	UC 4286		114	31.3	103
Show		20409+0128	BAL1568		346	8.8	103
Show		20539-0035	J 2328		351	3.2	103
Show		20409-0036	A 874		345	1.9	104
Show		20537+0154	RST5473		20	3.0	105
Show		20521+0225	TDT2592		183	1.5	106
Show		20546-0042	A 877		9	0.6	109

WDS 20475+0105 : COMPONENTS

	A
B	pa=192.9° sep=21.09"

20475+0105 A

Componente originario normalizzato	AB		Coord arcsec 2000	204731.89+010432.4		Mag	11.64		PmRA	-11.00
PmDE	-13.0		Tycho2	0512-01461-1

Tycho2

Tycho2	0512-01461-1	Pflag		RAmdeg	311.88286683	DEmdeg	1.07565547
PmRA	-12.4	PmDE	-13.6	E RAmdeg	44	E DEmdeg	38
E pmRA	1.7	E pmDE	1.7	EpRAm	1977.76	EpDEm	1976.67
Num	4	Q RAmdeg	1.1	Q DEmdeg	0.6	Q pmRA	1.1
Q pmDE	0.6	BTmag	12.345	E BTmag	0.172	VTmag	11.696
E VTmag	0.132	Prox	207	TYC		HIP
CCDM		RAdeg	311.88288639	DEdeg	1.07568944	EpRA 1990	1.61
EpDE 1990	1.25	E RAdeg	64.5	E DEdeg	83.0	Posflg
Corr	0.0

CCDM

Ccdm	20475+0105	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.87	DDEs	-27.8
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	9.6	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20424N0043A
HIC

20475+0105 B

Componente originario normalizzato	AB		Coord arcsec 2000	204731.58+010411.8		Mag	12.86		PmRA	-3.00
PmDE	-30.0		Tycho2	0512-01317-1		Calc delta mag	1.22		Calc coord	yes

Tycho2

Tycho2	0512-01317-1	Pflag		RAmdeg	311.88160939	DEmdeg	1.07001747
PmRA	3.1	PmDE	-30.3	E RAmdeg	98	E DEmdeg	115
E pmRA	2.4	E pmDE	2.5	EpRAm	1968.32	EpDEm	1957.02
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	13.386	E BTmag	0.353	VTmag	12.347
E VTmag	0.212	Prox	207	TYC		HIP
CCDM		RAdeg	311.88160167	DEdeg	1.07009111	EpRA 1990	1.62
EpDE 1990	1.26	E RAdeg	112.8	E DEdeg	143.5	Posflg
Corr	0.0

CCDM

Ccdm	20475+0105	RComp		Comp	B	Note1
Note2		Discov num	BAL1220	DRAs	1.55	DDEs	-47.2
R dRAs	65	Year	1896	Theta	198	Rho	19.7
Obs	1	Vmag	11.3	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20424N0043B
HIC