Exposure
- ID
- GRAVI.2023-06-04T04:19:50.694_2
- Header ID
- GRAVI.2023-06-04T04:19:50.694
- Date updated
- 2023-06-04 04:35:44 UTC+0000
- Release date
- 2024-06-04 04:35:44 UTC+0000
- UTC Start
- 2023-06-04 04:19:50.694
- UTC End
- 2023-06-04 04:25:50.694
- MJD Start
- 60099.18044785
- MJD End
- 60099.1846145167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0142945
- Ambient temperature (°C)
- 14.25
- Seeing (arcsec)
- 0.27
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 | 56.5090 | 56.5250 | 16.6000 | 17.4000 |
| U1-U3 | 102.1360 | 102.2070 | 22.6000 | 23.5000 |
| U1-U4 | 127.3040 | 127.8050 | 49.8870 | 50.8640 |
| U2-U3 | 46.3250 | 46.3900 | 30.0000 | 30.9000 |
| U2-U4 | 85.8740 | 86.4390 | 71.0660 | 71.9820 |
| U3-U4 | 59.3360 | 59.7930 | 101.9170 | 102.6110 |
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 | 60099.18044785 |
| 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 | 56.509 |
| HIERARCH ESO ISS PBL12 END | 56.525 |
| HIERARCH ESO ISS PBLA12 START | 16.6 |
| HIERARCH ESO ISS PBLA12 END | 17.4 |
| HIERARCH ESO ISS PBL13 START | 102.136 |
| HIERARCH ESO ISS PBL13 END | 102.207 |
| HIERARCH ESO ISS PBLA13 START | 22.6 |
| HIERARCH ESO ISS PBLA13 END | 23.5 |
| HIERARCH ESO ISS PBL14 START | 127.304 |
| HIERARCH ESO ISS PBL14 END | 127.805 |
| HIERARCH ESO ISS PBLA14 START | 49.887 |
| HIERARCH ESO ISS PBLA14 END | 50.864 |
| HIERARCH ESO ISS PBL23 START | 46.325 |
| HIERARCH ESO ISS PBL23 END | 46.39 |
| HIERARCH ESO ISS PBLA23 START | 30.0 |
| HIERARCH ESO ISS PBLA23 END | 30.9 |
| HIERARCH ESO ISS PBL24 START | 85.874 |
| HIERARCH ESO ISS PBL24 END | 86.439 |
| HIERARCH ESO ISS PBLA24 START | 71.066 |
| HIERARCH ESO ISS PBLA24 END | 71.982 |
| HIERARCH ESO ISS PBL34 START | 59.336 |
| HIERARCH ESO ISS PBL34 END | 59.793 |
| HIERARCH ESO ISS PBLA34 START | 101.917 |
| HIERARCH ESO ISS PBLA34 END | 102.611 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.013141 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.015448 |
| HIERARCH ESO ISS AMBI TEMP | 14.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.26 |
| HIERARCH ESO ISS AMBI FWHM END | 0.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |