Exposure
- ID
- GRAVI.2023-07-04T05:29:43.151_2
- Header ID
- GRAVI.2023-07-04T05:29:43.151
- Date updated
- 2023-07-04 05:45:37 UTC+0000
- Release date
- 2024-07-04 05:45:37 UTC+0000
- UTC Start
- 2023-07-04 05:29:43.151
- UTC End
- 2023-07-04 05:35:43.151
- MJD Start
- 60129.22897166
- MJD End
- 60129.2331383267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034245
- Ambient temperature (°C)
- 12.16
- Seeing (arcsec)
- 1.05
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 | 54.2930 | 54.0550 | 35.8000 | 36.2000 |
| U1-U3 | 97.3010 | 96.7520 | 42.1000 | 42.5000 |
| U1-U4 | 119.0410 | 117.7620 | 71.5980 | 72.1850 |
| U2-U3 | 43.7490 | 43.4330 | 50.0000 | 50.4000 |
| U2-U4 | 81.4570 | 80.5180 | 94.5460 | 95.3940 |
| U3-U4 | 58.9270 | 58.5010 | 125.9490 | 127.0470 |
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 | 60129.22897166 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416687 |
| 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 | 54.293 |
| HIERARCH ESO ISS PBL12 END | 54.055 |
| HIERARCH ESO ISS PBLA12 START | 35.8 |
| HIERARCH ESO ISS PBLA12 END | 36.2 |
| HIERARCH ESO ISS PBL13 START | 97.301 |
| HIERARCH ESO ISS PBL13 END | 96.752 |
| HIERARCH ESO ISS PBLA13 START | 42.1 |
| HIERARCH ESO ISS PBLA13 END | 42.5 |
| HIERARCH ESO ISS PBL14 START | 119.041 |
| HIERARCH ESO ISS PBL14 END | 117.762 |
| HIERARCH ESO ISS PBLA14 START | 71.598 |
| HIERARCH ESO ISS PBLA14 END | 72.185 |
| HIERARCH ESO ISS PBL23 START | 43.749 |
| HIERARCH ESO ISS PBL23 END | 43.433 |
| HIERARCH ESO ISS PBLA23 START | 50.0 |
| HIERARCH ESO ISS PBLA23 END | 50.4 |
| HIERARCH ESO ISS PBL24 START | 81.457 |
| HIERARCH ESO ISS PBL24 END | 80.518 |
| HIERARCH ESO ISS PBLA24 START | 94.546 |
| HIERARCH ESO ISS PBLA24 END | 95.394 |
| HIERARCH ESO ISS PBL34 START | 58.927 |
| HIERARCH ESO ISS PBL34 END | 58.501 |
| HIERARCH ESO ISS PBLA34 START | 125.949 |
| HIERARCH ESO ISS PBLA34 END | 127.047 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003702 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003147 |
| HIERARCH ESO ISS AMBI TEMP | 12.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.94 |
| HIERARCH ESO ISS AMBI FWHM END | 1.16 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |