Exposure
- ID
- GRAVI.2023-07-05T02:55:58.203_2
- Header ID
- GRAVI.2023-07-05T02:55:58.203
- Date updated
- 2023-07-05 03:11:25 UTC+0000
- Release date
- 2024-07-05 03:11:25 UTC+0000
- UTC Start
- 2023-07-05 02:55:58.203
- UTC End
- 2023-07-05 03:01:58.203
- MJD Start
- 60130.12220142
- MJD End
- 60130.1263680867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003086
- Ambient temperature (°C)
- 13.21
- Seeing (arcsec)
- 0.995
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 | 56.5590 | 56.5540 | 21.4000 | 22.1000 |
| U1-U3 | 102.4240 | 102.4340 | 27.6000 | 28.4000 |
| U1-U4 | 129.6110 | 129.8400 | 55.3060 | 56.1650 |
| U2-U3 | 46.6070 | 46.6280 | 35.2000 | 36.0000 |
| U2-U4 | 88.5130 | 88.7960 | 76.2080 | 77.0410 |
| U3-U4 | 61.4960 | 61.7410 | 106.0380 | 106.7610 |
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 | 60130.12220142 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416855 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.554 |
| HIERARCH ESO ISS PBLA12 START | 21.4 |
| HIERARCH ESO ISS PBLA12 END | 22.1 |
| HIERARCH ESO ISS PBL13 START | 102.424 |
| HIERARCH ESO ISS PBL13 END | 102.434 |
| HIERARCH ESO ISS PBLA13 START | 27.6 |
| HIERARCH ESO ISS PBLA13 END | 28.4 |
| HIERARCH ESO ISS PBL14 START | 129.611 |
| HIERARCH ESO ISS PBL14 END | 129.84 |
| HIERARCH ESO ISS PBLA14 START | 55.306 |
| HIERARCH ESO ISS PBLA14 END | 56.165 |
| HIERARCH ESO ISS PBL23 START | 46.607 |
| HIERARCH ESO ISS PBL23 END | 46.628 |
| HIERARCH ESO ISS PBLA23 START | 35.2 |
| HIERARCH ESO ISS PBLA23 END | 36.0 |
| HIERARCH ESO ISS PBL24 START | 88.513 |
| HIERARCH ESO ISS PBL24 END | 88.796 |
| HIERARCH ESO ISS PBLA24 START | 76.208 |
| HIERARCH ESO ISS PBLA24 END | 77.041 |
| HIERARCH ESO ISS PBL34 START | 61.496 |
| HIERARCH ESO ISS PBL34 END | 61.741 |
| HIERARCH ESO ISS PBLA34 START | 106.038 |
| HIERARCH ESO ISS PBLA34 END | 106.761 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003019 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003153 |
| HIERARCH ESO ISS AMBI TEMP | 13.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.89 |
| HIERARCH ESO ISS AMBI FWHM END | 1.1 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |