Exposure
- ID
- GRAVI.2023-06-02T04:40:31.924_2
- Header ID
- GRAVI.2023-06-02T04:40:31.924
- Date updated
- 2023-06-02 04:56:18 UTC+0000
- Release date
- 2023-06-02 04:40:31 UTC+0000
- UTC Start
- 2023-06-02 04:40:31.924
- UTC End
- 2023-06-02 04:46:31.924
- MJD Start
- 60097.19481394
- MJD End
- 60097.1989806067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0086605
- Ambient temperature (°C)
- 15.99
- Seeing (arcsec)
- 0.38
Observation
- ID
- 55614
- Category
- calibrator
- 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 | 56.5380 | 56.5490 | 18.2000 | 19.1000 |
| U1-U3 | 102.2700 | 102.3250 | 24.4000 | 25.2000 |
| U1-U4 | 128.2550 | 128.6720 | 51.7980 | 52.7320 |
| U2-U3 | 46.4470 | 46.4990 | 31.8000 | 32.7000 |
| U2-U4 | 86.9470 | 87.4210 | 72.8620 | 73.7450 |
| U3-U4 | 60.2050 | 60.5900 | 103.2940 | 103.9950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60097.19481394 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416762 |
| DEC | -29.00722 |
| 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 | 56.538 |
| HIERARCH ESO ISS PBL12 END | 56.549 |
| HIERARCH ESO ISS PBLA12 START | 18.2 |
| HIERARCH ESO ISS PBLA12 END | 19.1 |
| HIERARCH ESO ISS PBL13 START | 102.27 |
| HIERARCH ESO ISS PBL13 END | 102.325 |
| HIERARCH ESO ISS PBLA13 START | 24.4 |
| HIERARCH ESO ISS PBLA13 END | 25.2 |
| HIERARCH ESO ISS PBL14 START | 128.255 |
| HIERARCH ESO ISS PBL14 END | 128.672 |
| HIERARCH ESO ISS PBLA14 START | 51.798 |
| HIERARCH ESO ISS PBLA14 END | 52.732 |
| HIERARCH ESO ISS PBL23 START | 46.447 |
| HIERARCH ESO ISS PBL23 END | 46.499 |
| HIERARCH ESO ISS PBLA23 START | 31.8 |
| HIERARCH ESO ISS PBLA23 END | 32.7 |
| HIERARCH ESO ISS PBL24 START | 86.947 |
| HIERARCH ESO ISS PBL24 END | 87.421 |
| HIERARCH ESO ISS PBLA24 START | 72.862 |
| HIERARCH ESO ISS PBLA24 END | 73.745 |
| HIERARCH ESO ISS PBL34 START | 60.205 |
| HIERARCH ESO ISS PBL34 END | 60.59 |
| HIERARCH ESO ISS PBLA34 START | 103.294 |
| HIERARCH ESO ISS PBLA34 END | 103.995 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008968 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008353 |
| HIERARCH ESO ISS AMBI TEMP | 15.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.32 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |