Exposure
- ID
- GRAVI.2023-08-31T00:51:32.469_1
- Header ID
- GRAVI.2023-08-31T00:51:32.469
- Date updated
- 2023-08-31 01:10:32 UTC+0000
- Release date
- 2024-08-31 01:10:31 UTC+0000
- UTC Start
- 2023-08-31 00:51:32.469
- UTC End
- 2023-08-31 00:57:32.469
- MJD Start
- 60187.03579247
- MJD End
- 60187.039959136666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004333999999999999
- Ambient temperature (°C)
- 13.67
- Seeing (arcsec)
- 0.79
Observation
- ID
- 56822
- Category
- science
- Program ID
- 111.24H1.005
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 42111
- Name
- S4
- RA
- 266.41685
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.6740 | 55.5370 | 31.8000 | 32.4000 |
| U1-U3 | 100.5110 | 100.1940 | 38.2000 | 38.8000 |
| U1-U4 | 126.5400 | 125.8040 | 66.8150 | 67.4640 |
| U2-U3 | 45.6030 | 45.4200 | 46.0000 | 46.6000 |
| U2-U4 | 86.9940 | 86.4520 | 88.3410 | 89.1230 |
| U3-U4 | 61.5060 | 61.2530 | 118.2990 | 119.2190 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60187.03579247 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41685 |
| DEC | -29.00732 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.674 |
| HIERARCH ESO ISS PBL12 END | 55.537 |
| HIERARCH ESO ISS PBLA12 START | 31.8 |
| HIERARCH ESO ISS PBLA12 END | 32.4 |
| HIERARCH ESO ISS PBL13 START | 100.511 |
| HIERARCH ESO ISS PBL13 END | 100.194 |
| HIERARCH ESO ISS PBLA13 START | 38.2 |
| HIERARCH ESO ISS PBLA13 END | 38.8 |
| HIERARCH ESO ISS PBL14 START | 126.54 |
| HIERARCH ESO ISS PBL14 END | 125.804 |
| HIERARCH ESO ISS PBLA14 START | 66.815 |
| HIERARCH ESO ISS PBLA14 END | 67.464 |
| HIERARCH ESO ISS PBL23 START | 45.603 |
| HIERARCH ESO ISS PBL23 END | 45.42 |
| HIERARCH ESO ISS PBLA23 START | 46.0 |
| HIERARCH ESO ISS PBLA23 END | 46.6 |
| HIERARCH ESO ISS PBL24 START | 86.994 |
| HIERARCH ESO ISS PBL24 END | 86.452 |
| HIERARCH ESO ISS PBLA24 START | 88.341 |
| HIERARCH ESO ISS PBLA24 END | 89.123 |
| HIERARCH ESO ISS PBL34 START | 61.506 |
| HIERARCH ESO ISS PBL34 END | 61.253 |
| HIERARCH ESO ISS PBLA34 START | 118.299 |
| HIERARCH ESO ISS PBLA34 END | 119.219 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004064 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004604 |
| HIERARCH ESO ISS AMBI TEMP | 13.67 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |