Exposure
- ID
- GRAVI.2023-06-04T07:27:06.203_1
- Header ID
- GRAVI.2023-06-04T07:27:06.203
- Date updated
- 2023-06-04 07:40:50 UTC+0000
- Release date
- 2024-06-04 07:40:50 UTC+0000
- UTC Start
- 2023-06-04 07:27:06.203
- UTC End
- 2023-06-04 07:33:06.203
- MJD Start
- 60099.31048846
- MJD End
- 60099.3146551267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010033
- Ambient temperature (°C)
- 13.21
- Seeing (arcsec)
- 0.41
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 | 54.3130 | 54.0760 | 35.8000 | 36.2000 |
| U1-U3 | 97.3470 | 96.8000 | 42.1000 | 42.5000 |
| U1-U4 | 119.1480 | 117.8740 | 71.5470 | 72.1350 |
| U2-U3 | 43.7760 | 43.4610 | 49.9000 | 50.4000 |
| U2-U4 | 81.5350 | 80.6000 | 94.4740 | 95.3210 |
| U3-U4 | 58.9630 | 58.5380 | 125.8570 | 126.9520 |
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 | 60099.31048846 |
| 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 | 54.313 |
| HIERARCH ESO ISS PBL12 END | 54.076 |
| HIERARCH ESO ISS PBLA12 START | 35.8 |
| HIERARCH ESO ISS PBLA12 END | 36.2 |
| HIERARCH ESO ISS PBL13 START | 97.347 |
| HIERARCH ESO ISS PBL13 END | 96.8 |
| HIERARCH ESO ISS PBLA13 START | 42.1 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 119.148 |
| HIERARCH ESO ISS PBL14 END | 117.874 |
| HIERARCH ESO ISS PBLA14 START | 71.547 |
| HIERARCH ESO ISS PBLA14 END | 72.135 |
| HIERARCH ESO ISS PBL23 START | 43.776 |
| HIERARCH ESO ISS PBL23 END | 43.461 |
| HIERARCH ESO ISS PBLA23 START | 49.9 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 81.535 |
| HIERARCH ESO ISS PBL24 END | 80.6 |
| HIERARCH ESO ISS PBLA24 START | 94.474 |
| HIERARCH ESO ISS PBLA24 END | 95.321 |
| HIERARCH ESO ISS PBL34 START | 58.963 |
| HIERARCH ESO ISS PBL34 END | 58.538 |
| HIERARCH ESO ISS PBLA34 START | 125.857 |
| HIERARCH ESO ISS PBLA34 END | 126.952 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009337 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010729 |
| HIERARCH ESO ISS AMBI TEMP | 13.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |