Exposure
- ID
- GRAVI.2023-06-07T05:58:36.959_2
- Header ID
- GRAVI.2023-06-07T05:58:36.959
- Date updated
- 2023-06-07 06:15:16 UTC+0000
- Release date
- 2024-06-07 06:15:16 UTC+0000
- UTC Start
- 2023-06-07 05:58:36.959
- UTC End
- 2023-06-07 06:04:36.959
- MJD Start
- 60102.24903888
- MJD End
- 60102.2532055467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011577
- Ambient temperature (°C)
- 15.14
- Seeing (arcsec)
- 0.465
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 | 56.1220 | 56.0320 | 29.3000 | 29.9000 |
| U1-U3 | 101.5470 | 101.3400 | 35.7000 | 36.3000 |
| U1-U4 | 128.8680 | 128.4180 | 64.0010 | 64.6930 |
| U2-U3 | 46.1950 | 46.0780 | 43.5000 | 44.1000 |
| U2-U4 | 88.6710 | 88.3550 | 85.1110 | 85.8830 |
| U3-U4 | 62.2550 | 62.1230 | 114.6620 | 115.5080 |
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 | 60102.24903888 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416567 |
| DEC | -29.00724 |
| 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 | 56.122 |
| HIERARCH ESO ISS PBL12 END | 56.032 |
| HIERARCH ESO ISS PBLA12 START | 29.3 |
| HIERARCH ESO ISS PBLA12 END | 29.9 |
| HIERARCH ESO ISS PBL13 START | 101.547 |
| HIERARCH ESO ISS PBL13 END | 101.34 |
| HIERARCH ESO ISS PBLA13 START | 35.7 |
| HIERARCH ESO ISS PBLA13 END | 36.3 |
| HIERARCH ESO ISS PBL14 START | 128.868 |
| HIERARCH ESO ISS PBL14 END | 128.418 |
| HIERARCH ESO ISS PBLA14 START | 64.001 |
| HIERARCH ESO ISS PBLA14 END | 64.693 |
| HIERARCH ESO ISS PBL23 START | 46.195 |
| HIERARCH ESO ISS PBL23 END | 46.078 |
| HIERARCH ESO ISS PBLA23 START | 43.5 |
| HIERARCH ESO ISS PBLA23 END | 44.1 |
| HIERARCH ESO ISS PBL24 START | 88.671 |
| HIERARCH ESO ISS PBL24 END | 88.355 |
| HIERARCH ESO ISS PBLA24 START | 85.111 |
| HIERARCH ESO ISS PBLA24 END | 85.883 |
| HIERARCH ESO ISS PBL34 START | 62.255 |
| HIERARCH ESO ISS PBL34 END | 62.123 |
| HIERARCH ESO ISS PBLA34 START | 114.662 |
| HIERARCH ESO ISS PBLA34 END | 115.508 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010047 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.013107 |
| HIERARCH ESO ISS AMBI TEMP | 15.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |