Exposure
- ID
- GRAVI.2023-07-04T04:08:18.931_1
- Header ID
- GRAVI.2023-07-04T04:08:18.931
- Date updated
- 2023-07-04 04:26:16 UTC+0000
- Release date
- 2024-07-04 04:26:16 UTC+0000
- UTC Start
- 2023-07-04 04:08:18.931
- UTC End
- 2023-07-04 04:14:18.931
- MJD Start
- 60129.17244133
- MJD End
- 60129.1766079967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003096
- Ambient temperature (°C)
- 11.98
- 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 | 56.1750 | 56.0910 | 28.9000 | 29.5000 |
| U1-U3 | 101.6670 | 101.4750 | 35.3000 | 35.9000 |
| U1-U4 | 129.1220 | 128.7140 | 63.5420 | 64.2430 |
| U2-U3 | 46.2630 | 46.1550 | 43.0000 | 43.7000 |
| U2-U4 | 88.8440 | 88.5630 | 84.6070 | 85.3810 |
| U3-U4 | 62.3240 | 62.2110 | 114.1190 | 114.9570 |
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 | 60129.17244133 |
| 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 | 56.175 |
| HIERARCH ESO ISS PBL12 END | 56.091 |
| HIERARCH ESO ISS PBLA12 START | 28.9 |
| HIERARCH ESO ISS PBLA12 END | 29.5 |
| HIERARCH ESO ISS PBL13 START | 101.667 |
| HIERARCH ESO ISS PBL13 END | 101.475 |
| HIERARCH ESO ISS PBLA13 START | 35.3 |
| HIERARCH ESO ISS PBLA13 END | 35.9 |
| HIERARCH ESO ISS PBL14 START | 129.122 |
| HIERARCH ESO ISS PBL14 END | 128.714 |
| HIERARCH ESO ISS PBLA14 START | 63.542 |
| HIERARCH ESO ISS PBLA14 END | 64.243 |
| HIERARCH ESO ISS PBL23 START | 46.263 |
| HIERARCH ESO ISS PBL23 END | 46.155 |
| HIERARCH ESO ISS PBLA23 START | 43.0 |
| HIERARCH ESO ISS PBLA23 END | 43.7 |
| HIERARCH ESO ISS PBL24 START | 88.844 |
| HIERARCH ESO ISS PBL24 END | 88.563 |
| HIERARCH ESO ISS PBLA24 START | 84.607 |
| HIERARCH ESO ISS PBLA24 END | 85.381 |
| HIERARCH ESO ISS PBL34 START | 62.324 |
| HIERARCH ESO ISS PBL34 END | 62.211 |
| HIERARCH ESO ISS PBLA34 START | 114.119 |
| HIERARCH ESO ISS PBLA34 END | 114.957 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003189 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003003 |
| HIERARCH ESO ISS AMBI TEMP | 11.98 |
| HIERARCH ESO ISS AMBI FWHM START | 1.21 |
| HIERARCH ESO ISS AMBI FWHM END | 1.27 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |