Exposure
- ID
- GRAVI.2021-03-29T08:08:10.247_2
- Header ID
- GRAVI.2021-03-29T08:08:10.247
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2021-03-29 08:08:10 UTC+0000
- UTC Start
- 2021-03-29 08:08:10.247
- UTC End
- 2021-03-29 08:13:30.247
- MJD Start
- 59302.33900749
- MJD End
- 59302.3427111937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0052385
- Ambient temperature (°C)
- 11.99
- Seeing (arcsec)
- 0.545
Observation
- ID
- 47321
- Category
- calibrator
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35487
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076493888889
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 | 56.4060 | 56.4250 | 12.2000 | 12.9000 |
| U1-U3 | 101.6950 | 101.7770 | 17.9000 | 18.8000 |
| U1-U4 | 124.2210 | 124.8120 | 44.5680 | 45.5360 |
| U2-U3 | 45.9290 | 46.0030 | 25.0000 | 25.9000 |
| U2-U4 | 82.3510 | 83.0360 | 66.1060 | 67.0080 |
| U3-U4 | 56.4550 | 57.0210 | 98.4090 | 99.0180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59302.33900749 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416971 |
| DEC | -29.00716 |
| 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 | 56.406 |
| HIERARCH ESO ISS PBL12 END | 56.425 |
| HIERARCH ESO ISS PBLA12 START | 12.2 |
| HIERARCH ESO ISS PBLA12 END | 12.9 |
| HIERARCH ESO ISS PBL13 START | 101.695 |
| HIERARCH ESO ISS PBL13 END | 101.777 |
| HIERARCH ESO ISS PBLA13 START | 17.9 |
| HIERARCH ESO ISS PBLA13 END | 18.8 |
| HIERARCH ESO ISS PBL14 START | 124.221 |
| HIERARCH ESO ISS PBL14 END | 124.812 |
| HIERARCH ESO ISS PBLA14 START | 44.568 |
| HIERARCH ESO ISS PBLA14 END | 45.536 |
| HIERARCH ESO ISS PBL23 START | 45.929 |
| HIERARCH ESO ISS PBL23 END | 46.003 |
| HIERARCH ESO ISS PBLA23 START | 25.0 |
| HIERARCH ESO ISS PBLA23 END | 25.9 |
| HIERARCH ESO ISS PBL24 START | 82.351 |
| HIERARCH ESO ISS PBL24 END | 83.036 |
| HIERARCH ESO ISS PBLA24 START | 66.106 |
| HIERARCH ESO ISS PBLA24 END | 67.008 |
| HIERARCH ESO ISS PBL34 START | 56.455 |
| HIERARCH ESO ISS PBL34 END | 57.021 |
| HIERARCH ESO ISS PBLA34 START | 98.409 |
| HIERARCH ESO ISS PBLA34 END | 99.018 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005176 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005301 |
| HIERARCH ESO ISS AMBI TEMP | 11.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |