Exposure
- ID
- GRAVI.2021-05-26T07:35:57.734_2
- Header ID
- GRAVI.2021-05-26T07:35:57.734
- Date updated
- 2021-05-26 07:50:34 UTC+0000
- Release date
- 2022-05-26 07:50:34 UTC+0000
- UTC Start
- 2021-05-26 07:35:57.734
- UTC End
- 2021-05-26 07:41:17.734
- MJD Start
- 59360.31664044
- MJD End
- 59360.3203441437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0026665
- Ambient temperature (°C)
- 14.66
- Seeing (arcsec)
- 0.565
Observation
- ID
- 47463
- 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
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- 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 | 55.0800 | 54.9180 | 33.9000 | 34.4000 |
| U1-U3 | 99.1300 | 98.7520 | 40.3000 | 40.7000 |
| U1-U4 | 123.3170 | 122.4330 | 69.2650 | 69.8080 |
| U2-U3 | 44.8050 | 44.5870 | 48.1000 | 48.6000 |
| U2-U4 | 84.6130 | 83.9540 | 91.3830 | 92.0980 |
| U3-U4 | 60.3890 | 60.0810 | 121.9540 | 122.8410 |
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 | 59360.31664044 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41702 |
| DEC | -29.00694 |
| 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 | 55.08 |
| HIERARCH ESO ISS PBL12 END | 54.918 |
| HIERARCH ESO ISS PBLA12 START | 33.9 |
| HIERARCH ESO ISS PBLA12 END | 34.4 |
| HIERARCH ESO ISS PBL13 START | 99.13 |
| HIERARCH ESO ISS PBL13 END | 98.752 |
| HIERARCH ESO ISS PBLA13 START | 40.3 |
| HIERARCH ESO ISS PBLA13 END | 40.7 |
| HIERARCH ESO ISS PBL14 START | 123.317 |
| HIERARCH ESO ISS PBL14 END | 122.433 |
| HIERARCH ESO ISS PBLA14 START | 69.265 |
| HIERARCH ESO ISS PBLA14 END | 69.808 |
| HIERARCH ESO ISS PBL23 START | 44.805 |
| HIERARCH ESO ISS PBL23 END | 44.587 |
| HIERARCH ESO ISS PBLA23 START | 48.1 |
| HIERARCH ESO ISS PBLA23 END | 48.6 |
| HIERARCH ESO ISS PBL24 START | 84.613 |
| HIERARCH ESO ISS PBL24 END | 83.954 |
| HIERARCH ESO ISS PBLA24 START | 91.383 |
| HIERARCH ESO ISS PBLA24 END | 92.098 |
| HIERARCH ESO ISS PBL34 START | 60.389 |
| HIERARCH ESO ISS PBL34 END | 60.081 |
| HIERARCH ESO ISS PBLA34 START | 121.954 |
| HIERARCH ESO ISS PBLA34 END | 122.841 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002316 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003017 |
| HIERARCH ESO ISS AMBI TEMP | 14.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |