Exposure
- ID
- GRAVI.2022-06-17T01:38:14.872_2
- Header ID
- GRAVI.2022-06-17T01:38:14.872
- Date updated
- 2022-06-17 01:55:48 UTC+0000
- Release date
- 2022-06-17 01:38:14 UTC+0000
- UTC Start
- 2022-06-17 01:38:14.872
- UTC End
- 2022-06-17 01:43:34.872
- MJD Start
- 59747.06822769
- MJD End
- 59747.0719313937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003348
- Ambient temperature (°C)
- 4.41
- Seeing (arcsec)
- 1.0
Observation
- ID
- 51257
- Category
- calibrator
- Program ID
- 109.22ZA.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/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
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 | 56.2300 | 56.2340 | 1.3000 | 2.1000 |
| U1-U3 | 100.7540 | 100.8000 | 6.1000 | 7.0000 |
| U1-U4 | 115.3980 | 116.0540 | 29.6320 | 30.8810 |
| U2-U3 | 44.9690 | 45.0270 | 12.1000 | 13.1000 |
| U2-U4 | 71.1230 | 72.0480 | 51.6890 | 52.9540 |
| U3-U4 | 46.3940 | 47.2940 | 89.8600 | 90.5490 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59747.06822769 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416825 |
| DEC | -29.00697 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.23 |
| HIERARCH ESO ISS PBL12 END | 56.234 |
| HIERARCH ESO ISS PBLA12 START | 1.3 |
| HIERARCH ESO ISS PBLA12 END | 2.1 |
| HIERARCH ESO ISS PBL13 START | 100.754 |
| HIERARCH ESO ISS PBL13 END | 100.8 |
| HIERARCH ESO ISS PBLA13 START | 6.1 |
| HIERARCH ESO ISS PBLA13 END | 7.0 |
| HIERARCH ESO ISS PBL14 START | 115.398 |
| HIERARCH ESO ISS PBL14 END | 116.054 |
| HIERARCH ESO ISS PBLA14 START | 29.632 |
| HIERARCH ESO ISS PBLA14 END | 30.881 |
| HIERARCH ESO ISS PBL23 START | 44.969 |
| HIERARCH ESO ISS PBL23 END | 45.027 |
| HIERARCH ESO ISS PBLA23 START | 12.1 |
| HIERARCH ESO ISS PBLA23 END | 13.1 |
| HIERARCH ESO ISS PBL24 START | 71.123 |
| HIERARCH ESO ISS PBL24 END | 72.048 |
| HIERARCH ESO ISS PBLA24 START | 51.689 |
| HIERARCH ESO ISS PBLA24 END | 52.954 |
| HIERARCH ESO ISS PBL34 START | 46.394 |
| HIERARCH ESO ISS PBL34 END | 47.294 |
| HIERARCH ESO ISS PBLA34 START | 89.86 |
| HIERARCH ESO ISS PBLA34 END | 90.549 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003131 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003565 |
| HIERARCH ESO ISS AMBI TEMP | 4.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.97 |
| HIERARCH ESO ISS AMBI FWHM END | 1.03 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |