Exposure
- ID
- GRAVI.2024-05-31T08:39:04.732_2
- Header ID
- GRAVI.2024-05-31T08:39:04.732
- Date updated
- 2024-05-31 08:55:29 UTC+0000
- Release date
- 2024-05-31 08:39:04 UTC+0000
- UTC Start
- 2024-05-31 08:39:04.732
- UTC End
- 2024-05-31 08:45:04.732
- MJD Start
- 60461.36047144
- MJD End
- 60461.3646381067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002355
- Ambient temperature (°C)
- 15.79
- Seeing (arcsec)
- 0.73
Observation
- ID
- 59421
- Category
- calibrator
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 51.6230 | 51.2550 | 39.2000 | 39.5000 |
| U1-U3 | 91.1740 | 90.3360 | 45.4000 | 45.6000 |
| U1-U4 | 104.9930 | 103.1070 | 76.7170 | 77.2630 |
| U2-U3 | 40.2400 | 39.7630 | 53.3000 | 53.6000 |
| U2-U4 | 71.3570 | 70.0400 | 102.8620 | 103.9020 |
| U3-U4 | 54.6190 | 54.1060 | 136.9430 | 138.3210 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60461.36047144 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416443 |
| DEC | -29.00715 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 51.623 |
| HIERARCH ESO ISS PBL12 END | 51.255 |
| HIERARCH ESO ISS PBLA12 START | 39.2 |
| HIERARCH ESO ISS PBLA12 END | 39.5 |
| HIERARCH ESO ISS PBL13 START | 91.174 |
| HIERARCH ESO ISS PBL13 END | 90.336 |
| HIERARCH ESO ISS PBLA13 START | 45.4 |
| HIERARCH ESO ISS PBLA13 END | 45.6 |
| HIERARCH ESO ISS PBL14 START | 104.993 |
| HIERARCH ESO ISS PBL14 END | 103.107 |
| HIERARCH ESO ISS PBLA14 START | 76.717 |
| HIERARCH ESO ISS PBLA14 END | 77.263 |
| HIERARCH ESO ISS PBL23 START | 40.24 |
| HIERARCH ESO ISS PBL23 END | 39.763 |
| HIERARCH ESO ISS PBLA23 START | 53.3 |
| HIERARCH ESO ISS PBLA23 END | 53.6 |
| HIERARCH ESO ISS PBL24 START | 71.357 |
| HIERARCH ESO ISS PBL24 END | 70.04 |
| HIERARCH ESO ISS PBLA24 START | 102.862 |
| HIERARCH ESO ISS PBLA24 END | 103.902 |
| HIERARCH ESO ISS PBL34 START | 54.619 |
| HIERARCH ESO ISS PBL34 END | 54.106 |
| HIERARCH ESO ISS PBLA34 START | 136.943 |
| HIERARCH ESO ISS PBLA34 END | 138.321 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002585 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002125 |
| HIERARCH ESO ISS AMBI TEMP | 15.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |