Exposure
- ID
- GRAVI.2021-05-24T06:38:26.762_2
- Header ID
- GRAVI.2021-05-24T06:38:26.762
- Date updated
- 2021-05-24 06:55:41 UTC+0000
- Release date
- 2021-05-24 06:38:26 UTC+0000
- UTC Start
- 2021-05-24 06:38:26.762
- UTC End
- 2021-05-24 06:43:46.762
- MJD Start
- 59358.27669863
- MJD End
- 59358.2804023337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00481
- Ambient temperature (°C)
- 12.04
- Seeing (arcsec)
- 0.545
Observation
- ID
- 47449
- Category
- calibrator
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076491944444
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 | 56.2760 | 56.2140 | 28.0000 | 28.6000 |
| U1-U3 | 101.8940 | 101.7550 | 34.4000 | 34.9000 |
| U1-U4 | 129.5760 | 129.3020 | 62.5480 | 63.1800 |
| U2-U3 | 46.3880 | 46.3120 | 42.1000 | 42.7000 |
| U2-U4 | 89.1410 | 88.9640 | 83.5310 | 84.2130 |
| U3-U4 | 62.4280 | 62.3690 | 112.9820 | 113.6990 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59358.27669863 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416898 |
| DEC | -29.00719 |
| 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 | 56.276 |
| HIERARCH ESO ISS PBL12 END | 56.214 |
| HIERARCH ESO ISS PBLA12 START | 28.0 |
| HIERARCH ESO ISS PBLA12 END | 28.6 |
| HIERARCH ESO ISS PBL13 START | 101.894 |
| HIERARCH ESO ISS PBL13 END | 101.755 |
| HIERARCH ESO ISS PBLA13 START | 34.4 |
| HIERARCH ESO ISS PBLA13 END | 34.9 |
| HIERARCH ESO ISS PBL14 START | 129.576 |
| HIERARCH ESO ISS PBL14 END | 129.302 |
| HIERARCH ESO ISS PBLA14 START | 62.548 |
| HIERARCH ESO ISS PBLA14 END | 63.18 |
| HIERARCH ESO ISS PBL23 START | 46.388 |
| HIERARCH ESO ISS PBL23 END | 46.312 |
| HIERARCH ESO ISS PBLA23 START | 42.1 |
| HIERARCH ESO ISS PBLA23 END | 42.7 |
| HIERARCH ESO ISS PBL24 START | 89.141 |
| HIERARCH ESO ISS PBL24 END | 88.964 |
| HIERARCH ESO ISS PBLA24 START | 83.531 |
| HIERARCH ESO ISS PBLA24 END | 84.213 |
| HIERARCH ESO ISS PBL34 START | 62.428 |
| HIERARCH ESO ISS PBL34 END | 62.369 |
| HIERARCH ESO ISS PBLA34 START | 112.982 |
| HIERARCH ESO ISS PBLA34 END | 113.699 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004608 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005012 |
| HIERARCH ESO ISS AMBI TEMP | 12.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |