Exposure
- ID
- GRAVI.2023-07-06T05:50:44.218_1
- Header ID
- GRAVI.2023-07-06T05:50:44.218
- Date updated
- 2023-07-06 06:06:19 UTC+0000
- Release date
- 2024-07-06 06:06:19 UTC+0000
- UTC Start
- 2023-07-06 05:50:44.218
- UTC End
- 2023-07-06 05:56:44.218
- MJD Start
- 60131.24356734
- MJD End
- 60131.2477340067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0047005
- Ambient temperature (°C)
- 12.68
- Seeing (arcsec)
- 0.825
Observation
- ID
- 56157
- 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
- 41604
- Name
- S4
- RA
- 266.416828
- DEC
- -29.00715
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.1260 | 52.8240 | 37.6000 | 38.0000 |
| U1-U3 | 94.6100 | 93.9170 | 43.9000 | 44.3000 |
| U1-U4 | 112.8130 | 111.2230 | 74.1670 | 74.7310 |
| U2-U3 | 42.2030 | 41.8060 | 51.8000 | 52.2000 |
| U2-U4 | 76.9200 | 75.7770 | 98.4370 | 99.3610 |
| U3-U4 | 56.9140 | 56.4260 | 131.0500 | 132.2790 |
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 | 60131.24356734 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| DEC | -29.00715 |
| 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 | 53.126 |
| HIERARCH ESO ISS PBL12 END | 52.824 |
| HIERARCH ESO ISS PBLA12 START | 37.6 |
| HIERARCH ESO ISS PBLA12 END | 38.0 |
| HIERARCH ESO ISS PBL13 START | 94.61 |
| HIERARCH ESO ISS PBL13 END | 93.917 |
| HIERARCH ESO ISS PBLA13 START | 43.9 |
| HIERARCH ESO ISS PBLA13 END | 44.3 |
| HIERARCH ESO ISS PBL14 START | 112.813 |
| HIERARCH ESO ISS PBL14 END | 111.223 |
| HIERARCH ESO ISS PBLA14 START | 74.167 |
| HIERARCH ESO ISS PBLA14 END | 74.731 |
| HIERARCH ESO ISS PBL23 START | 42.203 |
| HIERARCH ESO ISS PBL23 END | 41.806 |
| HIERARCH ESO ISS PBLA23 START | 51.8 |
| HIERARCH ESO ISS PBLA23 END | 52.2 |
| HIERARCH ESO ISS PBL24 START | 76.92 |
| HIERARCH ESO ISS PBL24 END | 75.777 |
| HIERARCH ESO ISS PBLA24 START | 98.437 |
| HIERARCH ESO ISS PBLA24 END | 99.361 |
| HIERARCH ESO ISS PBL34 START | 56.914 |
| HIERARCH ESO ISS PBL34 END | 56.426 |
| HIERARCH ESO ISS PBLA34 START | 131.05 |
| HIERARCH ESO ISS PBLA34 END | 132.279 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004808 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004593 |
| HIERARCH ESO ISS AMBI TEMP | 12.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.94 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |