Exposure
- ID
- GRAVI.2023-06-04T05:19:26.855_1
- Header ID
- GRAVI.2023-06-04T05:19:26.855
- Date updated
- 2023-06-04 05:35:38 UTC+0000
- Release date
- 2024-06-04 05:35:38 UTC+0000
- UTC Start
- 2023-06-04 05:19:26.855
- UTC End
- 2023-06-04 05:25:26.855
- MJD Start
- 60099.2218386
- MJD End
- 60099.2260052667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009815
- Ambient temperature (°C)
- 14.16
- Seeing (arcsec)
- 0.31
Observation
- ID
- 55649
- Category
- science
- Program ID
- 111.24H1.002
- 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
- 41212
- Name
- S4
- RA
- 266.416752
- DEC
- -29.00711
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5210 | 56.4970 | 23.9000 | 24.6000 |
| U1-U3 | 102.4010 | 102.3600 | 30.2000 | 31.0000 |
| U1-U4 | 130.1620 | 130.2080 | 58.0970 | 58.9010 |
| U2-U3 | 46.6380 | 46.6240 | 37.9000 | 38.6000 |
| U2-U4 | 89.2540 | 89.3640 | 78.9440 | 79.7490 |
| U3-U4 | 62.1710 | 62.2980 | 108.4740 | 109.2260 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60099.2218386 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 56.521 |
| HIERARCH ESO ISS PBL12 END | 56.497 |
| HIERARCH ESO ISS PBLA12 START | 23.9 |
| HIERARCH ESO ISS PBLA12 END | 24.6 |
| HIERARCH ESO ISS PBL13 START | 102.401 |
| HIERARCH ESO ISS PBL13 END | 102.36 |
| HIERARCH ESO ISS PBLA13 START | 30.2 |
| HIERARCH ESO ISS PBLA13 END | 31.0 |
| HIERARCH ESO ISS PBL14 START | 130.162 |
| HIERARCH ESO ISS PBL14 END | 130.208 |
| HIERARCH ESO ISS PBLA14 START | 58.097 |
| HIERARCH ESO ISS PBLA14 END | 58.901 |
| HIERARCH ESO ISS PBL23 START | 46.638 |
| HIERARCH ESO ISS PBL23 END | 46.624 |
| HIERARCH ESO ISS PBLA23 START | 37.9 |
| HIERARCH ESO ISS PBLA23 END | 38.6 |
| HIERARCH ESO ISS PBL24 START | 89.254 |
| HIERARCH ESO ISS PBL24 END | 89.364 |
| HIERARCH ESO ISS PBLA24 START | 78.944 |
| HIERARCH ESO ISS PBLA24 END | 79.749 |
| HIERARCH ESO ISS PBL34 START | 62.171 |
| HIERARCH ESO ISS PBL34 END | 62.298 |
| HIERARCH ESO ISS PBLA34 START | 108.474 |
| HIERARCH ESO ISS PBLA34 END | 109.226 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008629 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011001 |
| HIERARCH ESO ISS AMBI TEMP | 14.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.33 |
| HIERARCH ESO ISS AMBI FWHM END | 0.29 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |