20078+0021 BAL 1212

20^h 07^m 45.77^s +00° 21' 13.9" P.A. 114.00 sep 12.3 mag 11.69,12.34

Coord 2000	20078+0021	Discov num	BAL1212	Comp		Coord arcsec 2000	20 07 45.77 +00 21 13.9
Date first	1909	Date last	2015	Obs	10
Pa first	115	Pa last	113.7	P.A. Now (θ)	113.7°
Sep first	12.8	Sep last	12.29	Sep. Now (ρ)	12.29"
Mag pri	11.69	Mag sec	12.34	delta mag (ΔM)	0.65	Spectral class
Pri motion ra	-012	Sec motion ra	-008
Pri motion dec	-006	Sec motion dec	-003
Notes	V (Proper motion indicates physical)

rPM=0.373

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquila

Tycho2

0495-02222-1

Gaia DR2

4236692153235781888

WDS 20078+0021 BAL 1212 : 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
20078+0021	BAL1212		2000	3	114	12.3	11.69	12.34		D	200745.77+002113.9
20078+0021	BAL1212		2015	6	114	12.3	11.69	12.34			200745.77+002113.9

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WDS 20078+0021 BAL 1212 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20078+0021 BAL 1212 : MEASURES

No records found.

WDS 20078+0021 : VIRTUAL EYEPIECE

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WDS 20078+0021 : ALADIN DSS IMAGE @ 20^h 07^m 45.77^s +00° 21' 13.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20078+0021 BAL 1212 : 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		20078+0021	BAL1212		114	12.3
Show		20075-0037	H 4 34		198	49.7	16
Show		20080-0041	SHY 325		228	999.9	20
Show		20074+0000	J 2570	AB	79	3.6	21
Show		20074+0000	J 2570	AC	302	11.4	21
Show		20089-0047	UC 4103		119	6.7	32
Show		20083+0052	BAL1213		330	5.5	32
Show		20075+0057	UC 4090		233	21.3	37
Show		20053+0027	BU 1482	BC	178	3.8	37
Show		20053+0027	HJ 2927	AB	124	23.6	37
Show		20102+0043	GRV 317		46	45.1	44
Show		20048-0007	TDT1955		258	0.5	47
Show		20060+0102	TDS1041		257	1.2	49
Show		20113-0008	S 735		211	56.4	55
Show		20106+0057	J 2700	AB	179	6.1	60
Show		20106+0057	DAM 196	AC	73	7.5	60
Show		20106+0102	DAM 197		164	4.9	60
Show		20113-0049	MKT 10	Aa,Ab	88	0.0	61
Show		20113-0049	ISO 12	Aa,Ac	44	1.0	61
Show		20113-0049	BU 1540	AB	259	115.8	61
Show		20119+0010	UC 4118		28	58.2	64
Show		20052+0114	UC 4078		82	48.3	66
Show		20120-0031	J 548		139	4.1	66
Show		20048+0109	TOK 699		267	0.2	66
Show		20120+0004	GWP2927		150	9.8	67
Show		20121-0034	DAM 200		211	4.2	67
Show		20090+0127	BAL1544		143	6.6	68
Show		20122-0035	DAM 201		358	6.9	69
Show		20032+0042	HDO 316	AB	143	4.5	72
Show		20032+0042	HDO 316	AC	189	16.4	72
Show		20096+0132	TDT2036		76	0.5	77
Show		20027+0009	GWP2918		49	94.5	77
Show		20027-0036	HJ 2921		341	21.7	77
Show		20126+0052	STF2644		205	2.6	79
Show		20114+0127	BAL1546		95	17.5	86
Show		20133-0041	BAL 920		269	16.6	86
Show		20022+0049	BAL1211		80	12.1	89
Show		20017-0012	H 1 93	AB	297	1.8	93
Show		20017-0012	H 1 93	AC		27.4	93
Show		20115+0135	BAL1547		46	5.8	93
Show		20015+0040	HDO 315		203	8.7	96
Show		20103+0149	BAL1545		345	15.3	96
Show		20068+0157	A 2278	AB	214	0.9	97
Show		20068+0157	A 2278	AC	355	22.5	97
Show	Phoenicia	20140-0052	ABT 15	AE	225	81.0	99
Show	Phoenicia	20140-0052	BU 1485	A,BC	105	75.0	99
Show	Phoenicia	20140-0052	JNN 246	AF	217	7.3	99
Show		20143+0009	HDS2885		132	0.2	100
Show		20140-0052	J 551	BC	265	0.2	100
Show		20140-0052	BU 1485	BC,D	65	23.2	100
Show		20061+0159	HLD 156		255	1.3	102

WDS 20078+0021 : COMPONENTS

	A
B	pa=113.7° sep=12.29"

20078+0021 A

Componente originario normalizzato	AB		Coord arcsec 2000	200745.77+002113.9		Mag	11.69		PmRA	-12.00
PmDE	-6.0		Tycho2	0495-02222-1

Tycho2

Tycho2	0495-02222-1	Pflag		RAmdeg	301.94072252	DEmdeg	0.35386925
PmRA	-4.2	PmDE	-8.5	E RAmdeg	76	E DEmdeg	87
E pmRA	1.9	E pmDE	2.0	EpRAm	1965.38	EpDEm	1954.67
Num	3	Q RAmdeg	1.2	Q DEmdeg	0.3	Q pmRA	1.2
Q pmDE	0.3	BTmag	13.695	E BTmag	0.435	VTmag	11.686
E VTmag	0.147	Prox	121	TYC		HIP
CCDM		RAdeg	301.94073083	DEdeg	0.35388889	EpRA 1990	1.66
EpDE 1990	1.37	E RAdeg	91.0	E DEdeg	113.7	Posflg
Corr	-0.1

20078+0021 B

Componente originario normalizzato	AB		Coord arcsec 2000	200746.52+002109.0		Mag	12.34		PmRA	-8.00
PmDE	-3.0		Tycho2	0495-02536-1		Calc delta mag	0.65		Calc coord	yes

Tycho2

Tycho2	0495-02536-1	Pflag		RAmdeg	301.94378751	DEmdeg	0.35256610
PmRA	-13.0	PmDE	-3.0	E RAmdeg	91	E DEmdeg	105
E pmRA	2.6	E pmDE	2.7	EpRAm	1972.76	EpDEm	1965.21
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	12.966	E BTmag	0.289	VTmag	12.337
E VTmag	0.227	Prox	121	TYC		HIP
CCDM		RAdeg	301.94381778	DEdeg	0.35257333	EpRA 1990	1.67
EpDE 1990	1.39	E RAdeg	103.7	E DEdeg	126.8	Posflg
Corr	-0.1