Source 2021+317
Source information
Name:
2021+317
Other names
ICRF3 Category
Not Defining
Links
Aladin Lite (Optical image)
Simbad
NED
OPAR (Position time series)
MOJAVE
Other names
4C 31.56
Gaia DR1 1862093894503308288
Gaia DR3 1862093894503308288
ICRF J202319.0+315302
IERS B2021+317
IVS B2021+317
NVSS J202319+315302
QSO B2021+317
QSO J2023+3153
Gaia DR1 1862093894503308288
Gaia DR3 1862093894503308288
ICRF J202319.0+315302
IERS B2021+317
IVS B2021+317
NVSS J202319+315302
QSO B2021+317
QSO J2023+3153
Coordinates (RA Dec.)
20:23:19.01734326 31:53:02.3060318
or
305.82923893025 31.883973897722
[ Coordinates from "ICRF3 S/X catalog" ]
20:23:19.01734326 31:53:02.3060318
or
305.82923893025 31.883973897722
Skymap
[ Coordinates from "ICRF3 S/X catalog" ]
ICRF3 Category
Not Defining
Links
Aladin Lite (Optical image)
Simbad
NED
OPAR (Position time series)
MOJAVE
Data
Images
Graphs
Data
Tools
Download Manager for 2021+317
VABF12
(1995-10-12)
S-band
Additional information
Download files for 2021+317
VABF12 (1995-10-12), S-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 3.65 | 1.72 | 0.33 | NA |
X-band
Additional information
Download files for 2021+317
VABF12 (1995-10-12), X-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 2.3 | 3.21 | 0.39 | NA |
RDV20
(2000-03-13)
S-band
Additional information
Download files for 2021+317
RDV20 (2000-03-13), S-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 1.53 | 3.04 | 0.08 | 973.55 |
X-band
Additional information
Download files for 2021+317
RDV20 (2000-03-13), X-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 1.17 | 3.23 | 0.29 | 1469.17 |
BR079C
(2002-12-26)
K-band
Additional information
Download files for 2021+317
BR079C (2002-12-26), K-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.47 | 3.05 | 0.5 | NA |
Q-band
Additional information
Download files for 2021+317
BR079C (2002-12-26), Q-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.35 | 1.46 | 0.69 | NA |
BL115B
(2003-09-13)
K-band
Additional information
Download files for 2021+317
BL115B (2003-09-13), K-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.43 | 2.5 | 0.56 | NA |
Q-band
Additional information
Download files for 2021+317
BL115B (2003-09-13), Q-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.67 | 0.56 | 0.78 | NA |
BL122A
(2004-12-14)
K-band
Additional information
Download files for 2021+317
BL122A (2004-12-14), K-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.59 | 2.63 | 0.28 | NA |
RDV57
(2006-07-11)
S-band
Additional information
Download files for 2021+317
RDV57 (2006-07-11), S-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.89 | 2.94 | 0.13 | NA |
X-band
Additional information
Download files for 2021+317
RDV57 (2006-07-11), X-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.67 | 3.19 | 0.44 | NA |
RDV67
(2008-01-23)
S-band
Additional information
Download files for 2021+317
RDV67 (2008-01-23), S-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.97 | 2.54 | 0.38 | NA |
X-band
Additional information
Download files for 2021+317
RDV67 (2008-01-23), X-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.97 | 3.64 | 0.2 | NA |
RDV73
(2009-01-21)
S-band
Additional information
Download files for 2021+317
RDV73 (2009-01-21), S-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 1.13 | 2.23 | 0.24 | NA |
X-band
Additional information
Download files for 2021+317
RDV73 (2009-01-21), X-band
| Flux (Jy) | Structure Index | Compactness | Map quality |
|---|---|---|---|
| 0.73 | 3.68 | 0.3 | NA |