Exposure
- ID
- GRAVI.2023-07-05T02:30:58.135_2
- Header ID
- GRAVI.2023-07-05T02:30:58.135
- Date updated
- 2023-07-05 02:45:39 UTC+0000
- Release date
- 2024-07-05 02:45:39 UTC+0000
- UTC Start
- 2023-07-05 02:30:58.135
- UTC End
- 2023-07-05 02:36:58.135
- MJD Start
- 60130.10483953
- MJD End
- 60130.1090061967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034945
- Ambient temperature (°C)
- 13.28
- Seeing (arcsec)
- 0.835
Observation
- ID
- 56080
- 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
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5380 | 56.5490 | 18.3000 | 19.1000 |
| U1-U3 | 102.2710 | 102.3260 | 24.4000 | 25.2000 |
| U1-U4 | 128.2670 | 128.6820 | 51.8220 | 52.7530 |
| U2-U3 | 46.4490 | 46.5010 | 31.9000 | 32.7000 |
| U2-U4 | 86.9610 | 87.4320 | 72.8850 | 73.7650 |
| U3-U4 | 60.2160 | 60.5990 | 103.3110 | 104.0110 |
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 | 60130.10483953 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416855 |
| DEC | -29.0073 |
| 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 | 56.538 |
| HIERARCH ESO ISS PBL12 END | 56.549 |
| HIERARCH ESO ISS PBLA12 START | 18.3 |
| HIERARCH ESO ISS PBLA12 END | 19.1 |
| HIERARCH ESO ISS PBL13 START | 102.271 |
| HIERARCH ESO ISS PBL13 END | 102.326 |
| HIERARCH ESO ISS PBLA13 START | 24.4 |
| HIERARCH ESO ISS PBLA13 END | 25.2 |
| HIERARCH ESO ISS PBL14 START | 128.267 |
| HIERARCH ESO ISS PBL14 END | 128.682 |
| HIERARCH ESO ISS PBLA14 START | 51.822 |
| HIERARCH ESO ISS PBLA14 END | 52.753 |
| HIERARCH ESO ISS PBL23 START | 46.449 |
| HIERARCH ESO ISS PBL23 END | 46.501 |
| HIERARCH ESO ISS PBLA23 START | 31.9 |
| HIERARCH ESO ISS PBLA23 END | 32.7 |
| HIERARCH ESO ISS PBL24 START | 86.961 |
| HIERARCH ESO ISS PBL24 END | 87.432 |
| HIERARCH ESO ISS PBLA24 START | 72.885 |
| HIERARCH ESO ISS PBLA24 END | 73.765 |
| HIERARCH ESO ISS PBL34 START | 60.216 |
| HIERARCH ESO ISS PBL34 END | 60.599 |
| HIERARCH ESO ISS PBLA34 START | 103.311 |
| HIERARCH ESO ISS PBLA34 END | 104.011 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003413 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003576 |
| HIERARCH ESO ISS AMBI TEMP | 13.28 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.89 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |