Exposure
- ID
- GRAVI.2022-11-11T05:25:24.284_1
- Header ID
- GRAVI.2022-11-11T05:25:24.284
- Date updated
- 2022-11-11 05:40:33 UTC+0000
- Release date
- 2022-11-11 05:25:24 UTC+0000
- UTC Start
- 2022-11-11 05:25:24.284
- UTC End
- 2022-11-11 05:31:24.284
- MJD Start
- 59894.22597551
- MJD End
- 59894.2301421767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042315
- Ambient temperature (°C)
- 9.8
- Seeing (arcsec)
- 0.56
Observation
- ID
- 53118
- Category
- calibrator
- 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
- 39496
- Name
- HD34639
- RA
- 79.693696
- DEC
- -9.04527
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.7440 | 52.9220 | 18.5000 | 19.3000 |
| U1-U3 | 94.8240 | 95.2730 | 25.2000 | 26.0000 |
| U1-U4 | 119.4990 | 120.6350 | 55.6650 | 56.2790 |
| U2-U3 | 42.8910 | 43.1640 | 33.5000 | 34.3000 |
| U2-U4 | 83.7740 | 84.5780 | 78.0300 | 78.3920 |
| U3-U4 | 61.1100 | 61.4260 | 107.5150 | 107.6690 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 110.23XR.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 59894.22597551 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD34639 |
| HIERARCH ESO INS SOBJ NAME | HD34639 |
| RA | 79.693696 |
| DEC | -9.04527 |
| 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 | 52.744 |
| HIERARCH ESO ISS PBL12 END | 52.922 |
| HIERARCH ESO ISS PBLA12 START | 18.5 |
| HIERARCH ESO ISS PBLA12 END | 19.3 |
| HIERARCH ESO ISS PBL13 START | 94.824 |
| HIERARCH ESO ISS PBL13 END | 95.273 |
| HIERARCH ESO ISS PBLA13 START | 25.2 |
| HIERARCH ESO ISS PBLA13 END | 26.0 |
| HIERARCH ESO ISS PBL14 START | 119.499 |
| HIERARCH ESO ISS PBL14 END | 120.635 |
| HIERARCH ESO ISS PBLA14 START | 55.665 |
| HIERARCH ESO ISS PBLA14 END | 56.279 |
| HIERARCH ESO ISS PBL23 START | 42.891 |
| HIERARCH ESO ISS PBL23 END | 43.164 |
| HIERARCH ESO ISS PBLA23 START | 33.5 |
| HIERARCH ESO ISS PBLA23 END | 34.3 |
| HIERARCH ESO ISS PBL24 START | 83.774 |
| HIERARCH ESO ISS PBL24 END | 84.578 |
| HIERARCH ESO ISS PBLA24 START | 78.03 |
| HIERARCH ESO ISS PBLA24 END | 78.392 |
| HIERARCH ESO ISS PBL34 START | 61.11 |
| HIERARCH ESO ISS PBL34 END | 61.426 |
| HIERARCH ESO ISS PBLA34 START | 107.515 |
| HIERARCH ESO ISS PBLA34 END | 107.669 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00358 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004883 |
| HIERARCH ESO ISS AMBI TEMP | 9.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |