Exposure
- ID
- GRAVI.2023-06-04T04:34:41.735_1
- Header ID
- GRAVI.2023-06-04T04:34:41.735
- Date updated
- 2023-06-04 04:50:31 UTC+0000
- Release date
- 2024-06-04 04:50:31 UTC+0000
- UTC Start
- 2023-06-04 04:34:41.735
- UTC End
- 2023-06-04 04:40:41.735
- MJD Start
- 60099.19076082
- MJD End
- 60099.1949274867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009268
- Ambient temperature (°C)
- 14.27
- Seeing (arcsec)
- 0.385
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 | 56.5420 | 56.5510 | 18.5000 | 19.3000 |
| U1-U3 | 102.2880 | 102.3400 | 24.6000 | 25.5000 |
| U1-U4 | 128.3910 | 128.7920 | 52.0940 | 53.0170 |
| U2-U3 | 46.4640 | 46.5140 | 32.1000 | 33.0000 |
| U2-U4 | 87.1010 | 87.5580 | 73.1410 | 74.0160 |
| U3-U4 | 60.3300 | 60.7020 | 103.5140 | 104.2130 |
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 | 60099.19076082 |
| 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 | 56.542 |
| HIERARCH ESO ISS PBL12 END | 56.551 |
| HIERARCH ESO ISS PBLA12 START | 18.5 |
| HIERARCH ESO ISS PBLA12 END | 19.3 |
| HIERARCH ESO ISS PBL13 START | 102.288 |
| HIERARCH ESO ISS PBL13 END | 102.34 |
| HIERARCH ESO ISS PBLA13 START | 24.6 |
| HIERARCH ESO ISS PBLA13 END | 25.5 |
| HIERARCH ESO ISS PBL14 START | 128.391 |
| HIERARCH ESO ISS PBL14 END | 128.792 |
| HIERARCH ESO ISS PBLA14 START | 52.094 |
| HIERARCH ESO ISS PBLA14 END | 53.017 |
| HIERARCH ESO ISS PBL23 START | 46.464 |
| HIERARCH ESO ISS PBL23 END | 46.514 |
| HIERARCH ESO ISS PBLA23 START | 32.1 |
| HIERARCH ESO ISS PBLA23 END | 33.0 |
| HIERARCH ESO ISS PBL24 START | 87.101 |
| HIERARCH ESO ISS PBL24 END | 87.558 |
| HIERARCH ESO ISS PBLA24 START | 73.141 |
| HIERARCH ESO ISS PBLA24 END | 74.016 |
| HIERARCH ESO ISS PBL34 START | 60.33 |
| HIERARCH ESO ISS PBL34 END | 60.702 |
| HIERARCH ESO ISS PBLA34 START | 103.514 |
| HIERARCH ESO ISS PBLA34 END | 104.213 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009235 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009301 |
| HIERARCH ESO ISS AMBI TEMP | 14.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |