Exposure
- ID
- GRAVI.2023-07-07T01:46:08.262_2
- Header ID
- GRAVI.2023-07-07T01:46:08.262
- Date updated
- 2023-07-07 02:05:35 UTC+0000
- Release date
- 2024-07-07 02:05:34 UTC+0000
- UTC Start
- 2023-07-07 01:46:08.262
- UTC End
- 2023-07-07 01:52:08.262
- MJD Start
- 60132.07370674
- MJD End
- 60132.0778734067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003817
- Ambient temperature (°C)
- 10.19
- Seeing (arcsec)
- 0.71
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 | 56.4370 | 56.4580 | 13.4000 | 14.3000 |
| U1-U3 | 101.8260 | 101.9160 | 19.3000 | 20.2000 |
| U1-U4 | 125.1510 | 125.7800 | 46.0950 | 47.1570 |
| U2-U3 | 46.0470 | 46.1280 | 26.5000 | 27.4000 |
| U2-U4 | 83.4250 | 84.1460 | 67.5290 | 68.5180 |
| U3-U4 | 57.3410 | 57.9310 | 99.3740 | 100.0640 |
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 | 60132.07370674 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416849 |
| DEC | -29.00721 |
| 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 | 56.437 |
| HIERARCH ESO ISS PBL12 END | 56.458 |
| HIERARCH ESO ISS PBLA12 START | 13.4 |
| HIERARCH ESO ISS PBLA12 END | 14.3 |
| HIERARCH ESO ISS PBL13 START | 101.826 |
| HIERARCH ESO ISS PBL13 END | 101.916 |
| HIERARCH ESO ISS PBLA13 START | 19.3 |
| HIERARCH ESO ISS PBLA13 END | 20.2 |
| HIERARCH ESO ISS PBL14 START | 125.151 |
| HIERARCH ESO ISS PBL14 END | 125.78 |
| HIERARCH ESO ISS PBLA14 START | 46.095 |
| HIERARCH ESO ISS PBLA14 END | 47.157 |
| HIERARCH ESO ISS PBL23 START | 46.047 |
| HIERARCH ESO ISS PBL23 END | 46.128 |
| HIERARCH ESO ISS PBLA23 START | 26.5 |
| HIERARCH ESO ISS PBLA23 END | 27.4 |
| HIERARCH ESO ISS PBL24 START | 83.425 |
| HIERARCH ESO ISS PBL24 END | 84.146 |
| HIERARCH ESO ISS PBLA24 START | 67.529 |
| HIERARCH ESO ISS PBLA24 END | 68.518 |
| HIERARCH ESO ISS PBL34 START | 57.341 |
| HIERARCH ESO ISS PBL34 END | 57.931 |
| HIERARCH ESO ISS PBLA34 START | 99.374 |
| HIERARCH ESO ISS PBLA34 END | 100.064 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003894 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00374 |
| HIERARCH ESO ISS AMBI TEMP | 10.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |