Exposure
- ID
- GRAVI.2024-06-24T04:59:24.075_2
- Header ID
- GRAVI.2024-06-24T04:59:24.075
- Date updated
- 2024-06-24 05:15:30 UTC+0000
- Release date
- 2025-06-24 05:15:30 UTC+0000
- UTC Start
- 2024-06-24 04:59:24.075
- UTC End
- 2024-06-24 05:05:24.075
- MJD Start
- 60485.20791754
- MJD End
- 60485.2120842067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 9.58
- Seeing (arcsec)
- 1.21
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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 | 55.9710 | 55.8640 | 30.3000 | 30.9000 |
| U1-U3 | 101.1990 | 100.9510 | 36.7000 | 37.3000 |
| U1-U4 | 128.1060 | 127.5490 | 65.1170 | 65.7880 |
| U2-U3 | 45.9970 | 45.8560 | 44.5000 | 45.1000 |
| U2-U4 | 88.1330 | 87.7310 | 86.3630 | 87.1330 |
| U3-U4 | 62.0260 | 61.8450 | 116.0400 | 116.9080 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60485.20791754 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416828 |
| DEC | -29.00731 |
| 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 | 55.971 |
| HIERARCH ESO ISS PBL12 END | 55.864 |
| HIERARCH ESO ISS PBLA12 START | 30.3 |
| HIERARCH ESO ISS PBLA12 END | 30.9 |
| HIERARCH ESO ISS PBL13 START | 101.199 |
| HIERARCH ESO ISS PBL13 END | 100.951 |
| HIERARCH ESO ISS PBLA13 START | 36.7 |
| HIERARCH ESO ISS PBLA13 END | 37.3 |
| HIERARCH ESO ISS PBL14 START | 128.106 |
| HIERARCH ESO ISS PBL14 END | 127.549 |
| HIERARCH ESO ISS PBLA14 START | 65.117 |
| HIERARCH ESO ISS PBLA14 END | 65.788 |
| HIERARCH ESO ISS PBL23 START | 45.997 |
| HIERARCH ESO ISS PBL23 END | 45.856 |
| HIERARCH ESO ISS PBLA23 START | 44.5 |
| HIERARCH ESO ISS PBLA23 END | 45.1 |
| HIERARCH ESO ISS PBL24 START | 88.133 |
| HIERARCH ESO ISS PBL24 END | 87.731 |
| HIERARCH ESO ISS PBLA24 START | 86.363 |
| HIERARCH ESO ISS PBLA24 END | 87.133 |
| HIERARCH ESO ISS PBL34 START | 62.026 |
| HIERARCH ESO ISS PBL34 END | 61.845 |
| HIERARCH ESO ISS PBLA34 START | 116.04 |
| HIERARCH ESO ISS PBLA34 END | 116.908 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 9.58 |
| HIERARCH ESO ISS AMBI FWHM START | 1.3 |
| HIERARCH ESO ISS AMBI FWHM END | 1.12 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |