Exposure
- ID
- GRAVI.2022-11-15T07:53:03.168_1
- Header ID
- GRAVI.2022-11-15T07:53:03.168
- Date updated
- 2022-11-15 08:05:30 UTC+0000
- Release date
- 2023-11-15 08:05:30 UTC+0000
- UTC Start
- 2022-11-15 07:53:03.168
- UTC End
- 2022-11-15 07:59:03.168
- MJD Start
- 59898.32850889
- MJD End
- 59898.3326755567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.014914
- Ambient temperature (°C)
- 15.25
- Seeing (arcsec)
- 0.4
Observation
- ID
- 53150
- Category
- science
- Program ID
- 110.23XR.001
- Program Title
- PROBING A CLOSE BINARY OF SUPERMASSIVE BLACK HOLES WITH GRAVITY
- Program Type
- Normal
- PI / COI
- SHANGGUAN/ BROTHERTON/ CAO/ DAVIES/ DEXTER/ DE ZEEUW/ DU/ EISENHAUER/ HO/ LI/ LUTZ/ SANTOS/ SHIMIZU/ SONGSHENG/ STURM/ WANG
Target
- ID
- 39520
- Name
- Akn120
- RA
- 79.049128
- DEC
- -0.14997
Instrument
Projected baselines
Baseline | Length start | Length end | Angle start | Angle end |
---|---|---|---|---|
U1-U2 | 55.7120 | 55.8560 | 33.9000 | 34.2000 |
U1-U3 | 101.7630 | 101.9520 | 39.4000 | 39.5000 |
U1-U4 | 128.7420 | 128.2250 | 63.0220 | 62.9080 |
U2-U3 | 46.6000 | 46.6300 | 45.9000 | 45.9000 |
U2-U4 | 84.5100 | 83.6820 | 81.7120 | 81.6330 |
U3-U4 | 54.1220 | 53.3080 | 111.9910 | 112.3480 |
Header: used keywords
Key | Value |
---|---|
HIERARCH ESO OBS PROG ID | 110.23XR.001 |
HIERARCH ESO DPR CATG | SCIENCE |
HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
MJD-OBS | 59898.32850889 |
HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
HIERARCH ESO OBS TARG NAME | Akn120 |
HIERARCH ESO INS SOBJ NAME | Akn120 |
RA | 79.049128 |
DEC | -0.14997 |
HIERARCH ESO INS SPEC RES | MEDIUM |
HIERARCH ESO INS POLA MODE | COMBINED |
HIERARCH ESO ISS CONF NTEL | 4 |
HIERARCH ESO ISS CONF STATION1 | U1 |
HIERARCH ESO ISS CONF STATION2 | U2 |
HIERARCH ESO ISS CONF STATION3 | U3 |
HIERARCH ESO ISS CONF STATION4 | U4 |
EXPTIME | 376.0 |
HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
HIERARCH ESO DET2 NDIT | 12 |
HIERARCH ESO ISS PBL12 START | 55.712 |
HIERARCH ESO ISS PBL12 END | 55.856 |
HIERARCH ESO ISS PBLA12 START | 33.9 |
HIERARCH ESO ISS PBLA12 END | 34.2 |
HIERARCH ESO ISS PBL13 START | 101.763 |
HIERARCH ESO ISS PBL13 END | 101.952 |
HIERARCH ESO ISS PBLA13 START | 39.4 |
HIERARCH ESO ISS PBLA13 END | 39.5 |
HIERARCH ESO ISS PBL14 START | 128.742 |
HIERARCH ESO ISS PBL14 END | 128.225 |
HIERARCH ESO ISS PBLA14 START | 63.022 |
HIERARCH ESO ISS PBLA14 END | 62.908 |
HIERARCH ESO ISS PBL23 START | 46.6 |
HIERARCH ESO ISS PBL23 END | 46.63 |
HIERARCH ESO ISS PBLA23 START | 45.9 |
HIERARCH ESO ISS PBLA23 END | 45.9 |
HIERARCH ESO ISS PBL24 START | 84.51 |
HIERARCH ESO ISS PBL24 END | 83.682 |
HIERARCH ESO ISS PBLA24 START | 81.712 |
HIERARCH ESO ISS PBLA24 END | 81.633 |
HIERARCH ESO ISS PBL34 START | 54.122 |
HIERARCH ESO ISS PBL34 END | 53.308 |
HIERARCH ESO ISS PBLA34 START | 111.991 |
HIERARCH ESO ISS PBLA34 END | 112.348 |
HIERARCH ESO ISS AMBI TAU0 START | 0.013575 |
HIERARCH ESO ISS AMBI TAU0 END | 0.016253 |
HIERARCH ESO ISS AMBI TEMP | 15.25 |
HIERARCH ESO ISS AMBI FWHM START | 0.42 |
HIERARCH ESO ISS AMBI FWHM END | 0.38 |