Exposure
- ID
- GRAVI.2021-05-29T06:53:52.614_2
- Header ID
- GRAVI.2021-05-29T06:53:52.614
- Date updated
- 2021-05-29 07:05:57 UTC+0000
- Release date
- 2022-05-29 07:05:57 UTC+0000
- UTC Start
- 2021-05-29 06:53:52.614
- UTC End
- 2021-05-29 06:59:12.614
- MJD Start
- 59363.28741451
- MJD End
- 59363.2911182137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004783
- Ambient temperature (°C)
- 10.6
- Seeing (arcsec)
- 0.585
Observation
- ID
- 47451
- Category
- science
- 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 | 55.7750 | 55.6640 | 31.4000 | 31.9000 |
| U1-U3 | 100.7460 | 100.4870 | 37.7000 | 38.3000 |
| U1-U4 | 127.0800 | 126.4830 | 66.2850 | 66.8650 |
| U2-U3 | 45.7380 | 45.5890 | 45.5000 | 46.0000 |
| U2-U4 | 87.3890 | 86.9520 | 87.7140 | 88.4010 |
| U3-U4 | 61.6890 | 61.4860 | 117.5730 | 118.3710 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59363.28741451 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416817 |
| DEC | -29.00713 |
| 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 | 55.775 |
| HIERARCH ESO ISS PBL12 END | 55.664 |
| HIERARCH ESO ISS PBLA12 START | 31.4 |
| HIERARCH ESO ISS PBLA12 END | 31.9 |
| HIERARCH ESO ISS PBL13 START | 100.746 |
| HIERARCH ESO ISS PBL13 END | 100.487 |
| HIERARCH ESO ISS PBLA13 START | 37.7 |
| HIERARCH ESO ISS PBLA13 END | 38.3 |
| HIERARCH ESO ISS PBL14 START | 127.08 |
| HIERARCH ESO ISS PBL14 END | 126.483 |
| HIERARCH ESO ISS PBLA14 START | 66.285 |
| HIERARCH ESO ISS PBLA14 END | 66.865 |
| HIERARCH ESO ISS PBL23 START | 45.738 |
| HIERARCH ESO ISS PBL23 END | 45.589 |
| HIERARCH ESO ISS PBLA23 START | 45.5 |
| HIERARCH ESO ISS PBLA23 END | 46.0 |
| HIERARCH ESO ISS PBL24 START | 87.389 |
| HIERARCH ESO ISS PBL24 END | 86.952 |
| HIERARCH ESO ISS PBLA24 START | 87.714 |
| HIERARCH ESO ISS PBLA24 END | 88.401 |
| HIERARCH ESO ISS PBL34 START | 61.689 |
| HIERARCH ESO ISS PBL34 END | 61.486 |
| HIERARCH ESO ISS PBLA34 START | 117.573 |
| HIERARCH ESO ISS PBLA34 END | 118.371 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004844 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004722 |
| HIERARCH ESO ISS AMBI TEMP | 10.6 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |