Exposure
- ID
- GRAVI.2023-07-04T06:06:40.252_2
- Header ID
- GRAVI.2023-07-04T06:06:40.252
- Date updated
- 2023-07-04 06:20:46 UTC+0000
- Release date
- 2024-07-04 06:20:46 UTC+0000
- UTC Start
- 2023-07-04 06:06:40.252
- UTC End
- 2023-07-04 06:12:40.252
- MJD Start
- 60129.25463255
- MJD End
- 60129.2587992167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0024705
- Ambient temperature (°C)
- 12.23
- Seeing (arcsec)
- 1.18
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 | 52.7490 | 52.4290 | 38.1000 | 38.4000 |
| U1-U3 | 93.7460 | 93.0120 | 44.3000 | 44.7000 |
| U1-U4 | 110.8310 | 109.1570 | 74.8670 | 75.4260 |
| U2-U3 | 41.7080 | 41.2880 | 52.3000 | 52.6000 |
| U2-U4 | 75.4960 | 74.3000 | 99.5870 | 100.5400 |
| U3-U4 | 56.3070 | 55.8080 | 132.5800 | 133.8490 |
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 | 60129.25463255 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416687 |
| DEC | -29.0073 |
| 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 | 52.749 |
| HIERARCH ESO ISS PBL12 END | 52.429 |
| HIERARCH ESO ISS PBLA12 START | 38.1 |
| HIERARCH ESO ISS PBLA12 END | 38.4 |
| HIERARCH ESO ISS PBL13 START | 93.746 |
| HIERARCH ESO ISS PBL13 END | 93.012 |
| HIERARCH ESO ISS PBLA13 START | 44.3 |
| HIERARCH ESO ISS PBLA13 END | 44.7 |
| HIERARCH ESO ISS PBL14 START | 110.831 |
| HIERARCH ESO ISS PBL14 END | 109.157 |
| HIERARCH ESO ISS PBLA14 START | 74.867 |
| HIERARCH ESO ISS PBLA14 END | 75.426 |
| HIERARCH ESO ISS PBL23 START | 41.708 |
| HIERARCH ESO ISS PBL23 END | 41.288 |
| HIERARCH ESO ISS PBLA23 START | 52.3 |
| HIERARCH ESO ISS PBLA23 END | 52.6 |
| HIERARCH ESO ISS PBL24 START | 75.496 |
| HIERARCH ESO ISS PBL24 END | 74.3 |
| HIERARCH ESO ISS PBLA24 START | 99.587 |
| HIERARCH ESO ISS PBLA24 END | 100.54 |
| HIERARCH ESO ISS PBL34 START | 56.307 |
| HIERARCH ESO ISS PBL34 END | 55.808 |
| HIERARCH ESO ISS PBLA34 START | 132.58 |
| HIERARCH ESO ISS PBLA34 END | 133.849 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002617 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002324 |
| HIERARCH ESO ISS AMBI TEMP | 12.23 |
| HIERARCH ESO ISS AMBI FWHM START | 1.08 |
| HIERARCH ESO ISS AMBI FWHM END | 1.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |