01315+1521 BU 506 (Alpherg)
01h 31m 28.99s +15° 20' 45.0" P.A. 62.00 sep 0.6 mag 3.83,7.51 Sp G8III dist. 107.18 pc (349.62 l.y.)
Coord 2000 |
01315+1521 |
|
Discov num |
BU 506 |
|
Comp |
|
|
Coord arcsec 2000 |
01 31 28.99 +15 20 45.0 |
|
Date first |
1878 |
|
Date last |
2008 |
|
Obs |
28 |
|
Pa first |
13 |
|
Pa last |
61.8 |
|
P.A. Now (θ) |
61.8° |
|
Sep first |
1.0 |
|
Sep last |
0.61 |
|
Sep. Now (ρ) |
0.61" |
|
Mag pri |
3.83 |
|
Mag sec |
7.51 |
|
delta mag (ΔM) |
3.68 |
|
Spectral class |
G8III (yellow) |
|
Pri motion ra |
+028 |
|
Sec motion ra |
|
|
Pri motion dec |
-006 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Common name |
Alpherg |
|
Var name |
NSV532 Psc |
|
Constellation |
Pisces |
|
SAO |
92484 |
|
HIP |
7097 |
|
Tycho2 |
1198-01597-1 |
|
Gaia DR2 |
2591891443195389696 |
|
HD |
9270 |
|
HR |
437 |
|
GC |
1839 |
|
ADS |
1199 |
|
BD |
BD+14 231 |
|
Bayer |
Eta Piscium |
|
Bayer name |
Eta Psc |
|
Flamsteed |
99 Piscium |
|
Flamsteed name |
99 Psc |
|
FK5 |
50 |
|
Distance |
107.18 |
|
Distance ly |
349.62 |
|
Bayer greek |
η Psc |
|
ORBITAL ELEMENTS
Period (P) | 850.5y | ± 66.5 |
Periastron (T) | 2040.3y | ± 66.9 |
Semi-major axis (a) | 1.228a | ± 0.144 |
Eccentricity (e) | 0.469 | ± 0.053 |
Inclination (i) | 58.5° | ± 2.5 |
Longitude of periastron (ω) | 86.9° | ± 4 |
Node (Ω) | 32.8° | ± 2 |
Notes | n | |
Reference | Cve2010e | |
Equinox | 2000 | |
Last observation | 2000 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
54.7 |
0.626 |
2001 |
55.5 |
0.618 |
2002 |
56.3 |
0.609 |
2003 |
57.1 |
0.600 |
2004 |
57.9 |
0.591 |
2005 |
58.8 |
0.582 |
2006 |
59.7 |
0.574 |
2007 |
60.6 |
0.565 |
2008 |
61.5 |
0.556 |
2009 |
62.5 |
0.547 |
2010 |
63.5 |
0.538 |
2011 |
64.5 |
0.529 |
2012 |
65.6 |
0.520 |
2013 |
66.7 |
0.512 |
2014 |
67.8 |
0.503 |
2015 |
69.0 |
0.494 |
2016 |
70.2 |
0.485 |
2017 |
71.5 |
0.477 |
2018 |
72.8 |
0.468 |
2019 |
74.2 |
0.460 |
2020 |
75.6 |
0.452 |
2021 |
77.1 |
0.443 |
2022 |
78.6 |
0.435 |
2023 |
80.2 |
0.428 |
2024 |
81.8 |
0.420 |
2025 |
83.5 |
0.413 |
2026 |
85.3 |
0.405 |
2027 |
87.1 |
0.399 |
2028 |
89.0 |
0.392 |
2029 |
91.0 |
0.386 |
2030 |
93.0 |
0.380 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 01315+1521 BU 506 (Alpherg) : NOTES
discov_num |
notes |
refcode |
BU 506 |
eta Psc = 99 Psc. A is a Beta CMi-type variable. |
Baz1964 |
|
NPOI Limb-darkened diameter 2.64 +/- 0.11 mas, |
NOI1999 |
|
R = 26. +/- 2. \rsun. |
|
REFERENCES
refcode |
metd |
author |
reference |
Baz1964 |
Ma - |
Baize, P. |
1964JO.....47....1B |
Baz1964 |
+orb |
J. Obs. 47, 1-26, 1964 |
|
Cve2010e |
orb - |
Cvetkovic, Z. & Novakovic, B. |
2010AN....331..304C |
Cve2010e |
|
Astron. Nachr. 331, 304, 2010 |
|
NOI1999 |
not j |
Nordgren, T.E., Germain, M.E., Benson, J.A., Mozurkewich, D., Sudol, J.J., Elias, |
1999AJ....118.3032N |
NOI1999 |
|
II, N.M., Hajian, A.R., White, N.M., Hutter, D.J., Johnston, K.J., Gauss, F.S., |
. |
NOI1999 |
|
Armstrong, J.T., Pauls, T.A. & Rickard, L.J. |
. |
NOI1999 |
|
AJ 118, 3032, 1999 |
. |
DISCOVERER
idgroup |
discov |
author |
1 |
BU |
Burnham, S.W. (BU 1 - 81) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
01315+1521 |
BU 506 |
|
2000 |
26 |
54 |
0.6 |
3.83 |
7.51 |
G8III |
NOD |
013128.99+152045.0 |
01315+1521 |
BU 506 |
|
2008 |
27 |
62 |
0.6 |
3.83 |
7.51 |
G8III |
NOD |
013128.99+152045.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 01315+1521 BU 506 (Alpherg) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 01315+1521 BU 506 (Alpherg) : MEASURES
No records found.
WDS 01315+1521 (Alpherg) : 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 01315+1521 (Alpherg) : ALADIN DSS IMAGE @ 01h 31m 28.99s +15° 20' 45.0"
WDS 01315+1521 BU 506 (Alpherg) : 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 |
Alpherg |
01315+1521 |
BU 506 |
|
62 |
0.6 |
|
Show |
|
01317+1506 |
CHR 198 |
|
359 |
0.4 |
16 |
Show |
|
01297+1504 |
CVR1074 |
|
19 |
3.0 |
31 |
Show |
|
01321+1434 |
BPM 33 |
|
90 |
56.3 |
48 |
Show |
|
01343+1443 |
UC 585 |
|
128 |
46.5 |
56 |
Show |
|
01345+1448 |
LDS9119 |
|
190 |
3.5 |
57 |
Show |
|
01286+1440 |
ARN 88 |
|
253 |
23.6 |
59 |
Show |
|
01346+1442 |
SKF1032 |
|
22 |
3.9 |
60 |
Show |
|
01335+1425 |
SKF1664 |
|
124 |
1.6 |
63 |
Show |
|
01297+1423 |
HEI 206 |
|
57 |
2.4 |
63 |
Show |
|
01275+1546 |
BPM 31 |
|
316 |
14.4 |
64 |
Show |
|
01325+1417 |
LDS1102 |
|
|
9.9 |
66 |
Show |
|
01270+1500 |
GWP 190 |
|
261 |
125.0 |
69 |
Show |
|
01283+1429 |
AG 18 |
|
41 |
73.0 |
70 |
Show |
|
01363+1513 |
WIS 38 |
|
45 |
999.9 |
70 |
Show |
|
01299+1413 |
AG 19 |
|
322 |
100.3 |
72 |
Show |
|
01358+1440 |
OCC 803 |
|
-1 |
0.1 |
75 |
Show |
|
01264+1451 |
HEI 205 |
|
66 |
0.8 |
80 |
Show |
|
01277+1620 |
BPM 32 |
|
101 |
89.8 |
81 |
Show |
|
01259+1505 |
GRV1167 |
|
232 |
15.9 |
82 |
Show |
|
01313+1400 |
CVR 389 |
|
73 |
19.0 |
82 |
Show |
|
01260+1450 |
BPM 30 |
|
336 |
118.4 |
86 |
Show |
|
01325+1645 |
BPMA 1 |
|
79 |
247.8 |
86 |
Show |
|
01333+1357 |
UC 581 |
|
355 |
70.0 |
89 |
Show |
|
01267+1420 |
GRV1168 |
|
218 |
18.1 |
92 |
Show |
|
01321+1657 |
STF 132 |
DF |
289 |
5.2 |
96 |
Show |
|
01321+1657 |
STF 132 |
AB |
342 |
63.8 |
97 |
Show |
|
01321+1657 |
STF 132 |
AC |
249 |
67.7 |
97 |
Show |
|
01321+1657 |
STF 132 |
AD |
109 |
114.5 |
97 |
Show |
|
01321+1657 |
STF 132 |
AE |
307 |
11.0 |
97 |
Show |
|
01321+1657 |
GAA 19 |
Aa,Ab |
91 |
0.0 |
97 |
Show |
|
01317+1343 |
LDS1101 |
|
181 |
3.3 |
99 |
Show |
|
01309+1700 |
UC 570 |
|
47 |
31.9 |
100 |
Show |
|
01242+1543 |
LDS3273 |
|
316 |
67.8 |
107 |
Show |
|
01312+1709 |
SKF1602 |
|
184 |
178.9 |
109 |
Show |
|
01250+1424 |
GWP 185 |
|
216 |
116.1 |
111 |
Show |
|
01284+1705 |
BDT 1 |
|
269 |
0.4 |
114 |
Show |
|
01392+1447 |
SLN 56 |
|
4 |
68.4 |
117 |
Show |
|
01262+1349 |
TOK 871 |
|
22 |
0.8 |
120 |
Show |
|
01399+1515 |
STF 142 |
AB |
69 |
23.5 |
123 |
Show |
|
01399+1515 |
STF 142 |
AC |
182 |
101.0 |
123 |
Show |
|
01228+1500 |
GRV1166 |
|
332 |
16.3 |
128 |
Show |
|
01405+1508 |
J 927 |
|
246 |
4.2 |
132 |
Show |
|
01226+1449 |
MRL 1 |
|
291 |
0.2 |
132 |
Show |
|
01406+1511 |
VAS 6 |
|
124 |
12.9 |
133 |
Show |
|
01243+1354 |
OCC 307 |
|
-1 |
0.0 |
136 |
Show |
|
01393+1638 |
BU 5 |
AB |
284 |
0.6 |
136 |
Show |
|
01393+1638 |
BU 5 |
AB,C |
186 |
90.6 |
136 |
Show |
|
01334+1734 |
AHD 22 |
AB |
154 |
22.8 |
137 |
Show |
|
01334+1734 |
AHD 22 |
AC |
273 |
9.2 |
137 |
Show |
|
01283+1731 |
GWP 194 |
|
122 |
174.4 |
139 |
|
|
WDS 01315+1521 : COMPONENTS
01315+1521 A
Componente originario normalizzato |
AB |
|
Common name |
Alpherg |
|
Coord arcsec 2000 |
013128.99+152045.0 |
|
Mag |
3.83 |
|
Spectral class |
G8III (yellow) |
|
PmRA |
28.00 |
|
PmDE |
-6.0 |
|
SAO |
92484 |
|
HIP |
7097 |
|
Tycho2 |
1198-01597-1 |
|
HD |
9270 |
|
HR |
437 |
|
GC |
1839 |
|
BD |
BD+14 231 |
|
Bayer |
Eta Piscium |
|
Bayer name |
Eta Psc |
|
Flamsteed |
99 Piscium |
|
Flamsteed name |
99 Psc |
|
FK5 |
50 |
|
Tycho2 |
1198-01597-1 |
|
Pflag |
|
|
RAmdeg |
22.87087592 |
|
DEmdeg |
15.34582789 |
|
PmRA |
25.5 |
|
PmDE |
-1.5 |
|
E RAmdeg |
3 |
|
E DEmdeg |
3 |
|
E pmRA |
0.3 |
|
E pmDE |
0.3 |
|
EpRAm |
1990.27 |
|
EpDEm |
1990.53 |
|
Num |
27 |
|
Q RAmdeg |
2.0 |
|
Q DEmdeg |
1.7 |
|
Q pmRA |
2.0 |
|
Q pmDE |
1.7 |
|
BTmag |
4.842 |
|
E BTmag |
0.014 |
|
VTmag |
3.712 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
7097 |
|
CCDM |
AB |
|
RAdeg |
22.87081639 |
|
DEdeg |
15.34583139 |
|
EpRA 1990 |
1.86 |
|
EpDE 1990 |
1.77 |
|
E RAdeg |
3.2 |
|
E DEdeg |
3.4 |
|
Posflg |
P |
|
Corr |
-0.4 |
|
SAO |
92484 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0019 |
|
DE1950 |
|
|
PmDE1950 |
-0.002 |
|
Vmag |
3.7 |
|
SpType |
G5 |
|
Double code |
|
|
Source |
74 |
|
CatNum |
50 |
|
DM |
BD+14 231 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
9270 |
|
M HD |
0 |
|
GC |
1839 |
|
RA1950rad |
0.3874774 |
|
DE1950rad |
0.26334783 |
|
PmRA2000 |
0.002 |
|
PmDE2000 |
-0.006 |
|
Catalog |
H |
|
HIP |
7097 |
|
Proxy |
H |
|
RAhms |
01 31 28.99 |
|
DEdms |
+15 20 45.0 |
|
Vmag |
3.62 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
22.8708 |
|
DEdeg |
15.3458 |
|
AstroRef |
A |
|
Plx |
11.09 |
|
CCDM |
01315+1521 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
47 |
|
Rho |
0.644 |
|
HD |
9270 |
|
BD |
BD+14 231 |
|
CD |
|
|
CP |
|
|
Dm number |
+14 231 |
|
VIred |
0.94 |
|
SpType |
G8III |
|
R SpType |
|
|
Coord arcsec 2000 |
013128.99+152045.0 |
|
HIP |
7097 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
0.3991708965 |
|
DErad |
0.2678352776 |
|
Plx |
9.33 |
|
PmRA |
27.14 |
|
PmDE |
-2.64 |
|
E RArad |
0.63 |
|
E DErad |
0.43 |
|
E Plx |
0.72 |
|
E pmRA |
0.74 |
|
E pmDE |
0.47 |
|
Hpmag |
3.7914 |
|
E Hpmag |
0.0004 |
|
SHp |
0.003 |
|
VA |
0 |
|
BV |
0.974 |
|
E BV |
0.001 |
|
VI |
0.94 |
|
Ccdm |
01315+1521 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-0.99 |
|
DDEs |
-15.2 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
3.7 |
|
Sp |
G5 |
|
PmNote |
* |
|
PmRA |
27 |
|
PmDE |
-2 |
|
Dm number |
+14 231 |
|
Cat1 |
BD |
|
Name2 |
92484 |
|
Cat2 |
SAO |
|
HD |
9270 |
|
M HD |
|
|
ADS BDS |
A 1199 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
01261N1450A |
|
HIC |
7097 |
|
01315+1521 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
013129.03+152045.3 |
|
Mag |
7.51 |
|
Calc delta mag |
3.68 |
|
Calc coord |
yes |
|
Ccdm |
01315+1521 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
BU 506 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1958 |
|
Theta |
036 |
|
Rho |
1.0 |
|
Obs |
15 |
|
Vmag |
10.7 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 1199 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
01261N1450B |
|
HIC |
7097 |
|