Exposure
- ID
- GRAVI.2022-06-19T01:41:17.883_2
- Header ID
- GRAVI.2022-06-19T01:41:17.883
- Date updated
- 2022-06-19 01:55:32 UTC+0000
- Release date
- 2022-06-19 01:41:17 UTC+0000
- UTC Start
- 2022-06-19 01:41:17.883
- UTC End
- 2022-06-19 01:46:37.883
- MJD Start
- 59749.07034587
- MJD End
- 59749.0740495737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005539
- Ambient temperature (°C)
- 9.14
- Seeing (arcsec)
- 0.7
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 | 56.2390 | 56.2460 | 2.9000 | 3.7000 |
| U1-U3 | 100.8470 | 100.9020 | 7.8000 | 8.7000 |
| U1-U4 | 116.6680 | 117.3360 | 32.0170 | 33.2170 |
| U2-U3 | 45.0840 | 45.1490 | 14.1000 | 15.1000 |
| U2-U4 | 72.8960 | 73.8010 | 54.0910 | 55.2810 |
| U3-U4 | 48.1070 | 48.9590 | 91.1750 | 91.8380 |
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 | 59749.07034587 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416741 |
| DEC | -29.00708 |
| 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 | 56.239 |
| HIERARCH ESO ISS PBL12 END | 56.246 |
| HIERARCH ESO ISS PBLA12 START | 2.9 |
| HIERARCH ESO ISS PBLA12 END | 3.7 |
| HIERARCH ESO ISS PBL13 START | 100.847 |
| HIERARCH ESO ISS PBL13 END | 100.902 |
| HIERARCH ESO ISS PBLA13 START | 7.8 |
| HIERARCH ESO ISS PBLA13 END | 8.7 |
| HIERARCH ESO ISS PBL14 START | 116.668 |
| HIERARCH ESO ISS PBL14 END | 117.336 |
| HIERARCH ESO ISS PBLA14 START | 32.017 |
| HIERARCH ESO ISS PBLA14 END | 33.217 |
| HIERARCH ESO ISS PBL23 START | 45.084 |
| HIERARCH ESO ISS PBL23 END | 45.149 |
| HIERARCH ESO ISS PBLA23 START | 14.1 |
| HIERARCH ESO ISS PBLA23 END | 15.1 |
| HIERARCH ESO ISS PBL24 START | 72.896 |
| HIERARCH ESO ISS PBL24 END | 73.801 |
| HIERARCH ESO ISS PBLA24 START | 54.091 |
| HIERARCH ESO ISS PBLA24 END | 55.281 |
| HIERARCH ESO ISS PBL34 START | 48.107 |
| HIERARCH ESO ISS PBL34 END | 48.959 |
| HIERARCH ESO ISS PBLA34 START | 91.175 |
| HIERARCH ESO ISS PBLA34 END | 91.838 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006123 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004955 |
| HIERARCH ESO ISS AMBI TEMP | 9.14 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |