Exposure
- ID
- GRAVI.2023-07-04T03:33:24.837_1
- Header ID
- GRAVI.2023-07-04T03:33:24.837
- Date updated
- 2023-07-04 03:46:32 UTC+0000
- Release date
- 2024-07-04 03:46:32 UTC+0000
- UTC Start
- 2023-07-04 03:33:24.837
- UTC End
- 2023-07-04 03:39:24.837
- MJD Start
- 60129.14820413
- MJD End
- 60129.1523707967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002748
- Ambient temperature (°C)
- 11.91
- Seeing (arcsec)
- 1.24
Observation
- ID
- 56139
- Category
- science
- Program ID
- 111.24H1.003
- 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
- 41586
- Name
- S4
- RA
- 266.416639
- DEC
- -29.00722
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4710 | 56.4340 | 25.2000 | 25.9000 |
| U1-U3 | 102.3120 | 102.2370 | 31.6000 | 32.3000 |
| U1-U4 | 130.2000 | 130.1370 | 59.5540 | 60.3240 |
| U2-U3 | 46.6040 | 46.5690 | 39.3000 | 40.0000 |
| U2-U4 | 89.4150 | 89.4270 | 80.4100 | 81.1970 |
| U3-U4 | 62.3770 | 62.4400 | 109.8550 | 110.6190 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60129.14820413 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416639 |
| DEC | -29.00722 |
| 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 | 56.471 |
| HIERARCH ESO ISS PBL12 END | 56.434 |
| HIERARCH ESO ISS PBLA12 START | 25.2 |
| HIERARCH ESO ISS PBLA12 END | 25.9 |
| HIERARCH ESO ISS PBL13 START | 102.312 |
| HIERARCH ESO ISS PBL13 END | 102.237 |
| HIERARCH ESO ISS PBLA13 START | 31.6 |
| HIERARCH ESO ISS PBLA13 END | 32.3 |
| HIERARCH ESO ISS PBL14 START | 130.2 |
| HIERARCH ESO ISS PBL14 END | 130.137 |
| HIERARCH ESO ISS PBLA14 START | 59.554 |
| HIERARCH ESO ISS PBLA14 END | 60.324 |
| HIERARCH ESO ISS PBL23 START | 46.604 |
| HIERARCH ESO ISS PBL23 END | 46.569 |
| HIERARCH ESO ISS PBLA23 START | 39.3 |
| HIERARCH ESO ISS PBLA23 END | 40.0 |
| HIERARCH ESO ISS PBL24 START | 89.415 |
| HIERARCH ESO ISS PBL24 END | 89.427 |
| HIERARCH ESO ISS PBLA24 START | 80.41 |
| HIERARCH ESO ISS PBLA24 END | 81.197 |
| HIERARCH ESO ISS PBL34 START | 62.377 |
| HIERARCH ESO ISS PBL34 END | 62.44 |
| HIERARCH ESO ISS PBLA34 START | 109.855 |
| HIERARCH ESO ISS PBLA34 END | 110.619 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002748 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002748 |
| HIERARCH ESO ISS AMBI TEMP | 11.91 |
| HIERARCH ESO ISS AMBI FWHM START | 1.15 |
| HIERARCH ESO ISS AMBI FWHM END | 1.33 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |