Exposure
- ID
- GRAVI.2023-07-06T06:12:38.277_2
- Header ID
- GRAVI.2023-07-06T06:12:38.277
- Date updated
- 2023-07-06 06:26:25 UTC+0000
- Release date
- 2024-07-06 06:26:25 UTC+0000
- UTC Start
- 2023-07-06 06:12:38.277
- UTC End
- 2023-07-06 06:18:38.277
- MJD Start
- 60131.25877635
- MJD End
- 60131.2629430167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005436
- Ambient temperature (°C)
- 12.65
- Seeing (arcsec)
- 0.68
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 | 52.0490 | 51.6970 | 38.8000 | 39.1000 |
| U1-U3 | 92.1440 | 91.3410 | 45.0000 | 45.3000 |
| U1-U4 | 107.1850 | 105.3690 | 76.0520 | 76.6040 |
| U2-U3 | 40.7930 | 40.3350 | 53.0000 | 53.3000 |
| U2-U4 | 72.9010 | 71.6210 | 101.6450 | 102.6530 |
| U3-U4 | 55.2350 | 54.7230 | 135.3230 | 136.6660 |
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 | 60131.25877635 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| DEC | -29.00715 |
| 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 | 52.049 |
| HIERARCH ESO ISS PBL12 END | 51.697 |
| HIERARCH ESO ISS PBLA12 START | 38.8 |
| HIERARCH ESO ISS PBLA12 END | 39.1 |
| HIERARCH ESO ISS PBL13 START | 92.144 |
| HIERARCH ESO ISS PBL13 END | 91.341 |
| HIERARCH ESO ISS PBLA13 START | 45.0 |
| HIERARCH ESO ISS PBLA13 END | 45.3 |
| HIERARCH ESO ISS PBL14 START | 107.185 |
| HIERARCH ESO ISS PBL14 END | 105.369 |
| HIERARCH ESO ISS PBLA14 START | 76.052 |
| HIERARCH ESO ISS PBLA14 END | 76.604 |
| HIERARCH ESO ISS PBL23 START | 40.793 |
| HIERARCH ESO ISS PBL23 END | 40.335 |
| HIERARCH ESO ISS PBLA23 START | 53.0 |
| HIERARCH ESO ISS PBLA23 END | 53.3 |
| HIERARCH ESO ISS PBL24 START | 72.901 |
| HIERARCH ESO ISS PBL24 END | 71.621 |
| HIERARCH ESO ISS PBLA24 START | 101.645 |
| HIERARCH ESO ISS PBLA24 END | 102.653 |
| HIERARCH ESO ISS PBL34 START | 55.235 |
| HIERARCH ESO ISS PBL34 END | 54.723 |
| HIERARCH ESO ISS PBLA34 START | 135.323 |
| HIERARCH ESO ISS PBLA34 END | 136.666 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005686 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005186 |
| HIERARCH ESO ISS AMBI TEMP | 12.65 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |