apparentMagnitude

P7282
predicate

Indicates the observed brightness of an astronomical object as seen from Earth, on a logarithmic scale where lower values correspond to brighter appearances.

All labels observed (23)

Label Occurrences
apparentMagnitude canonical 99
hasApparentMagnitude 61
brightness 33

Description generation (PDg)

The one-sentence description above was generated by prompting gpt-5.1 with the predicate name and this instruction.

Instruction
Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'
Input
Predicate: apparentMagnitude
Generated description
Indicates the observed brightness of an astronomical object as seen from Earth, on a logarithmic scale where lower values correspond to brighter appearances.

Sample triples (243)

Subject Object
UGC 9749 faint via predicate surface "hasApparentMagnitude"
Andromeda 17 faint via predicate surface "brightness"
Zaurak about 2.95 via predicate surface "hasApparentMagnitude"
IC 2177 approximately 15
And 18 faint via predicate surface "brightness"
NGC 2324 ~11–16 via predicate surface "apparentMagnitudeRangeOfStars"
Phoenix Dwarf faint via predicate surface "brightness"
Achernar 0.46 via predicate surface "hasApparentMagnitude"
Algol 2.1 to 3.4 via predicate surface "hasApparentMagnitudeRange"
Algol about 2.1 via predicate surface "hasApparentMagnitudeAtMaximum"
Beta Persei 2.1–3.4 via predicate surface "hasApparentMagnitudeRange"
Beta Persei 2.1 via predicate surface "hasApparentMagnitudeAtMaximum"
Mirfak 1.79 via predicate surface "hasApparentMagnitude"
GK Persei 0.2 via predicate surface "apparentMagnitudeAtMaximum"
GK Persei 0.0–0.2 via predicate surface "apparentMagnitudeAtMaximum"
GK Persei ~13 via predicate surface "apparentMagnitudeQuiescent"
Nova Persei 1901 0.2 via predicate surface "apparentMagnitudeAtMaximum"
Nova Persei 1901 0.0 via predicate surface "apparentMagnitudeAtMaximum"
variable star Algol
surface form: Algol
2.1–3.4 via predicate surface "apparentMagnitudeRange"
variable star Algol
surface form: Algol
2.1 via predicate surface "apparentMagnitudeAtMaximum"
Seagull Nebula about 5.9
B33 approximately 6.8 (region as a whole) via predicate surface "hasApparentMagnitude"
Beta Eridani about 2.7–2.8 via predicate surface "hasApparentMagnitudeRange"
Orion's Sword conspicuous to the unaided eye under dark skies via predicate surface "brightness"
NGC 2506 about 7–13 for member stars via predicate surface "apparentMagnitudeRange"
Polaris 1.98
Regulus +1.35 via predicate surface "hasApparentMagnitude"
Al Tarf approximately 3.5 via predicate surface "hasApparentMagnitude"
BD+12 1919 about 4.26 via predicate surface "hasApparentMagnitude"
BD+18 2019 3.94 via predicate surface "hasApparentMagnitude"
Cr 189 3.7
Sagitta
surface form: Gamma Sagittae
about 3.47
Sagitta
surface form: M71
about 8.2
Lacerta
surface form: α Lacertae
3.76
Lacerta
surface form: β Lacertae
4.43
Nova Cygni 1886 ~2.0 via predicate surface "peakApparentMagnitude"
Nova Cygni 1886 2.0–12.0 via predicate surface "apparentMagnitudeRange"
Nova Cygni 1886 >11 via predicate surface "currentApparentMagnitude"
Andromeda 25 faint via predicate surface "brightness"
Alpha Canis Minoris
surface form: Procyon A
0.34
Alpha Canis Minoris 0.34
Beta Canis Minoris 2.84–2.92 via predicate surface "hasApparentMagnitudeRange"
Alpha Tauri (α Tauri)
surface form: Alpha Tauri
0.85 via predicate surface "hasApparentMagnitude"
畢宿五 (Bìxiù wǔ)
surface form: 畢宿五
約 0.85 via predicate surface "視星等"
IC 349 region (nearby bright knot)
surface form: IC 349
very high surface brightness via predicate surface "brightness"
Seven Sisters region 1.6 via predicate surface "apparentMagnitudeApprox"
Mira about 2.0 to 10.1 via predicate surface "apparentMagnitudeRange"
Algieba 1.98 via predicate surface "hasApparentMagnitude"
Algieba 1.9–2.0 via predicate surface "hasApparentMagnitudeRange"
Algieba
surface form: Algieba A
about 2.3 via predicate surface "hasApparentMagnitude"