Exposure
- ID
- GRAVI.2023-06-07T03:49:27.608_2
- Header ID
- GRAVI.2023-06-07T03:49:27.608
- Date updated
- 2023-06-07 04:05:26 UTC+0000
- Release date
- 2024-06-07 04:05:26 UTC+0000
- UTC Start
- 2023-06-07 03:49:27.608
- UTC End
- 2023-06-07 03:55:27.608
- MJD Start
- 60102.15934732
- MJD End
- 60102.1635139867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0102365
- Ambient temperature (°C)
- 15.19
- Seeing (arcsec)
- 0.415
Observation
- ID
- 55616
- 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
- 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 | 56.4540 | 56.4750 | 14.1000 | 15.0000 |
| U1-U3 | 101.9000 | 101.9870 | 20.0000 | 21.0000 |
| U1-U4 | 125.6740 | 126.2740 | 46.9770 | 48.0140 |
| U2-U3 | 46.1140 | 46.1910 | 27.3000 | 28.2000 |
| U2-U4 | 84.0240 | 84.7080 | 68.3500 | 69.3170 |
| U3-U4 | 57.8320 | 58.3900 | 99.9470 | 100.6330 |
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 | 60102.15934732 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41684 |
| DEC | -29.00731 |
| 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 | 56.454 |
| HIERARCH ESO ISS PBL12 END | 56.475 |
| HIERARCH ESO ISS PBLA12 START | 14.1 |
| HIERARCH ESO ISS PBLA12 END | 15.0 |
| HIERARCH ESO ISS PBL13 START | 101.9 |
| HIERARCH ESO ISS PBL13 END | 101.987 |
| HIERARCH ESO ISS PBLA13 START | 20.0 |
| HIERARCH ESO ISS PBLA13 END | 21.0 |
| HIERARCH ESO ISS PBL14 START | 125.674 |
| HIERARCH ESO ISS PBL14 END | 126.274 |
| HIERARCH ESO ISS PBLA14 START | 46.977 |
| HIERARCH ESO ISS PBLA14 END | 48.014 |
| HIERARCH ESO ISS PBL23 START | 46.114 |
| HIERARCH ESO ISS PBL23 END | 46.191 |
| HIERARCH ESO ISS PBLA23 START | 27.3 |
| HIERARCH ESO ISS PBLA23 END | 28.2 |
| HIERARCH ESO ISS PBL24 START | 84.024 |
| HIERARCH ESO ISS PBL24 END | 84.708 |
| HIERARCH ESO ISS PBLA24 START | 68.35 |
| HIERARCH ESO ISS PBLA24 END | 69.317 |
| HIERARCH ESO ISS PBL34 START | 57.832 |
| HIERARCH ESO ISS PBL34 END | 58.39 |
| HIERARCH ESO ISS PBLA34 START | 99.947 |
| HIERARCH ESO ISS PBLA34 END | 100.633 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009918 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010555 |
| HIERARCH ESO ISS AMBI TEMP | 15.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |