Exposure
- ID
- GRAVI.2022-05-23T03:11:27.156_2
- Header ID
- GRAVI.2022-05-23T03:11:27.156
- Date updated
- 2022-05-23 03:25:29 UTC+0000
- Release date
- 2022-05-23 03:11:27 UTC+0000
- UTC Start
- 2022-05-23 03:11:27.156
- UTC End
- 2022-05-23 03:16:47.156
- MJD Start
- 59722.1329532
- MJD End
- 59722.1366569037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0067115
- Ambient temperature (°C)
- 11.45
- Seeing (arcsec)
- 0.61
Observation
- ID
- 50945
- Category
- calibrator
- Program ID
- 109.22ZA.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/ 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 | 56.2280 | 56.2300 | 0.5000 | 1.4000 |
| U1-U3 | 100.7190 | 100.7590 | 5.3000 | 6.2000 |
| U1-U4 | 114.8270 | 115.4760 | 28.5080 | 29.7820 |
| U2-U3 | 44.9210 | 44.9760 | 11.2000 | 12.2000 |
| U2-U4 | 70.3000 | 71.2330 | 50.5380 | 51.8420 |
| U3-U4 | 45.5770 | 46.5020 | 89.2390 | 89.9430 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59722.1329532 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416757 |
| DEC | -29.00715 |
| 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 | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.23 |
| HIERARCH ESO ISS PBLA12 START | 0.5 |
| HIERARCH ESO ISS PBLA12 END | 1.4 |
| HIERARCH ESO ISS PBL13 START | 100.719 |
| HIERARCH ESO ISS PBL13 END | 100.759 |
| HIERARCH ESO ISS PBLA13 START | 5.3 |
| HIERARCH ESO ISS PBLA13 END | 6.2 |
| HIERARCH ESO ISS PBL14 START | 114.827 |
| HIERARCH ESO ISS PBL14 END | 115.476 |
| HIERARCH ESO ISS PBLA14 START | 28.508 |
| HIERARCH ESO ISS PBLA14 END | 29.782 |
| HIERARCH ESO ISS PBL23 START | 44.921 |
| HIERARCH ESO ISS PBL23 END | 44.976 |
| HIERARCH ESO ISS PBLA23 START | 11.2 |
| HIERARCH ESO ISS PBLA23 END | 12.2 |
| HIERARCH ESO ISS PBL24 START | 70.3 |
| HIERARCH ESO ISS PBL24 END | 71.233 |
| HIERARCH ESO ISS PBLA24 START | 50.538 |
| HIERARCH ESO ISS PBLA24 END | 51.842 |
| HIERARCH ESO ISS PBL34 START | 45.577 |
| HIERARCH ESO ISS PBL34 END | 46.502 |
| HIERARCH ESO ISS PBLA34 START | 89.239 |
| HIERARCH ESO ISS PBLA34 END | 89.943 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006474 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006949 |
| HIERARCH ESO ISS AMBI TEMP | 11.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |