Exposure
- ID
- GRAVI.2023-06-04T04:57:23.795_1
- Header ID
- GRAVI.2023-06-04T04:57:23.795
- Date updated
- 2023-06-04 05:11:00 UTC+0000
- Release date
- 2024-06-04 05:10:59 UTC+0000
- UTC Start
- 2023-06-04 04:57:23.795
- UTC End
- 2023-06-04 05:03:23.795
- MJD Start
- 60099.20652541
- MJD End
- 60099.2106920767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0104425
- Ambient temperature (°C)
- 14.24
- Seeing (arcsec)
- 0.35
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 | 56.5590 | 56.5540 | 21.3000 | 22.1000 |
| U1-U3 | 102.4220 | 102.4340 | 27.6000 | 28.4000 |
| U1-U4 | 129.5930 | 129.8240 | 55.2490 | 56.1060 |
| U2-U3 | 46.6060 | 46.6270 | 35.1000 | 36.0000 |
| U2-U4 | 88.4910 | 88.7760 | 76.1530 | 76.9830 |
| U3-U4 | 61.4780 | 61.7240 | 105.9910 | 106.7110 |
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 | 60099.20652541 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.554 |
| HIERARCH ESO ISS PBLA12 START | 21.3 |
| HIERARCH ESO ISS PBLA12 END | 22.1 |
| HIERARCH ESO ISS PBL13 START | 102.422 |
| HIERARCH ESO ISS PBL13 END | 102.434 |
| HIERARCH ESO ISS PBLA13 START | 27.6 |
| HIERARCH ESO ISS PBLA13 END | 28.4 |
| HIERARCH ESO ISS PBL14 START | 129.593 |
| HIERARCH ESO ISS PBL14 END | 129.824 |
| HIERARCH ESO ISS PBLA14 START | 55.249 |
| HIERARCH ESO ISS PBLA14 END | 56.106 |
| HIERARCH ESO ISS PBL23 START | 46.606 |
| HIERARCH ESO ISS PBL23 END | 46.627 |
| HIERARCH ESO ISS PBLA23 START | 35.1 |
| HIERARCH ESO ISS PBLA23 END | 36.0 |
| HIERARCH ESO ISS PBL24 START | 88.491 |
| HIERARCH ESO ISS PBL24 END | 88.776 |
| HIERARCH ESO ISS PBLA24 START | 76.153 |
| HIERARCH ESO ISS PBLA24 END | 76.983 |
| HIERARCH ESO ISS PBL34 START | 61.478 |
| HIERARCH ESO ISS PBL34 END | 61.724 |
| HIERARCH ESO ISS PBLA34 START | 105.991 |
| HIERARCH ESO ISS PBLA34 END | 106.711 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009332 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011553 |
| HIERARCH ESO ISS AMBI TEMP | 14.24 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.33 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |